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Home » Recipes » Salads

Rocket Salad With Mushrooms Recipe

Published: Mar 17, 2025 · Updated: Jul 10, 2025 by Katherine Evans · This post may contain affiliate links · Leave a Comment

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This rocket salad with mushrooms recipe is the perfect date night or dinner party salad for your next gathering. This lunch or salad dish recipe rocket salad is naturally gluten free, dairy free, top 9 free, and vegan!

*This post contains affiliate links to external sites for which we may be financially compensated*

Half the Rocket Salad with Mushroom Recipe in the frame. The salad is on a beige plate.
Jump to:
  • The Quick Lowdown:
  • Why We Like This Recipe
  • Ingredients
  • The Ingredient Low Down
  • Instructions and Tips
  • Substitutions, Variations, & Adaptations
  • Storage and Reheating Instructions
  • Equipment
  • What To Pair With
  • 📖 Recipe
  • Other Recipes You May Enjoy
  • Food Safety
  • Allergy Resources
  • 💬 Comments
the top half of The Rocket Salad with Mushroom Recipe in the frame. The salad is on a beige plate.

The Quick Lowdown:

Flavour: The lettuce is slightly peppery, the mushrooms earthy, and the caramelised onions have a hint of sweetness all complimenting each other perfectly.

Difficulty: Medium. This recipe takes patience to caramelise the onions. 

Return for effort: Well worth it. This recipe will have you wishing you doubled it for another round the next day.

Meal Prep: The lemon, mushrooms, and onions can be cooked ahead of time to save time on the day of serving.

Why We Like This Recipe

This rocket salad with mushrooms recipe is one of Rob's FAVOURITE salads right now. It is super easy and seems really upscale so it is perfect for wowing guests at dinner parties. The flavours in this recipe rocket salad are a perfect balance of slightly sweet with the caramelised onions, earthy mushrooms, and peppery from the lettuce.

This is one of the date night recipes we make at home that is also top 9 free, gluten free, and vegan. The kids are not super fond of this salad and I would not call it kid-friendly. It definitely has a taste that is best for a more adult palate that is looking for more than chicken nuggets and spaghetti.

The Rocket Salad with Mushroom Recipe in the frame. The salad is on a beige plate. Tongs placing lettuce on the plate.

Ingredients

Salad Ingredients

  • Rocket Lettuce, or mixed greens
  • Avocado Oil
  • White Mushrooms
  • Yellow Onion
  • Sea Salt,
  • Ground Pepper
  • Lemon

Dressing Ingredients

  • Olive Oil
  • White Wine Vinegar
  • Maple Syrup 

See recipe card for quantities.

Water running in the bottom left corner over lettuce in a fine Mesh Sieve.

The Ingredient Low Down

Rocket Lettuce, or mixed greens

Rocket, or arugula as it is sometimes called, is the lettuce we love to use in this peppery soft variety. It can be a bit on the acquired side. Some of the arugula you find in North America can have a bit of a bitter taste.

If you haven't found rocket is your favourite lettuce you could switch it for mixed green lettuce, baby kale, or another soft lettuce variety.

Mushrooms

Fresh are a must for these mushrooms for salads in our recipe. Don't swap them out for dried or canned. We like to use white button mushroom for this recipe but you can use brown/crimini, or even large diced portabella mushrooms. A mild mushroom is best for this recipe over a more earthy flavoured one.

Yellow Onion

We use yellow onions, shallots, or white onions could also be used. We do not recommend red onions. Do not substitute the onions for dehydrated onions. You can caramelise the onions in advance and use them in the salad.

Lemon

We use a whole fresh lemon cut in half for this salad. By charring it the tartness is taken out of the citrus and it becomes sweet and bright to offset the mushrooms and compliment the caramelised onions. 

Trim the pointy ends off the lemons. You want to cut it so they can sit flat on the plate but leave a tiny bit of pith between the end that was cut off and the yellow flesh.

Neutral Oil

We use avocado oil for the cooking of the mushrooms and onions as it has a higher smoke point. Another high temperature oil can be used, if needed. It just needs to be safe for you and your food allergies.

For the dressing we use olive oil for the taste it brings to the rocket salad with mushrooms recipe. You can use whichever neutral flavoured oil is safe for you in this recipe rocket salad.

White Wine Vinegar

White Wine vinegar is a way to add a bright flavour to the salad. If white wine vinegar is not suitable for you you can use unseasoned (unsweetened) rice vinegar, or apple cider vinegar as substitutes. Do not use malt vinegar as it is not considered gluten free and is made from barley. Balsamic vinegar is too sweet to use for this recipe.

Maple Syrup 

To add a hint of sweetness we love to use real maple syrup for this recipe rocket salad. Not maple flavoured corn syrup but real maple syrup. Make sure it is soy free as some manufacturers use soy oil to cut the foam as it is made.

Honey can be used instead but will no longer be vegan.

If you need a sugar free alternative use agave syrup or monk fruit in reduced amounts. 

Instructions and Tips

Over an empty beige plate a hand is holding a jar with dressing in it as if shaking it to mix the dressing.

Step 1

Pour all the dressing ingredients, olive oil, white wine vinegar and maple syrup in a small jar. Either combine well with a whisk or screw the lid on the jar and shake well. Set aside. Stir or shake again before pouring on the salad.

Caramelising onions in an orange pan on a stove.

Step 2

In a medium pan, heat ½ Tablespoon olive oil over low-medium heat. To the pan add thinly sliced yellow onion. Slowly saute the onions, stirring often. The heat should not be so hot the onions start to crisp on the edges. Cook until the onions are caramelised, then season with half the salt and pepper. Remove from the pan and let cook until assembling the salad.

To speed up the process to under 10 minutes you can add a tiny splash of water and maple syrup and mix well.

Sauteings in an orange pan on a stove. A blue spatula stirring the pan.

Step 3

In the same medium pan, add the rest of the 1 tablespoon from the salad ingredients. Heat it over high heat. Add the sliced white mushrooms to the pan. Stir continuously as the mushrooms cook and season with the remaining salt and pepper at the end of cooking. Saute until cooked but try not to have them release all their water. About 3 -5 minutes. Remove from the pan and set aside to cool.

If they do, drain the water off right away and keep cooking.

Charred lemons in an orange pan on a stove. A pair of tongs holding the cut side up to show the sugars caramelizing.

Step 4

Using the small pan, over high heat place both the lemon halves with the large cut side down in the pan. Place a tablespoon of water and cover the pan with a lid. Let cook for 2 minutes. Remove the lid and let the water boil off. Move the lemon around the pan keeping the cut side down. When it starts to char, remove it from the pan. Place one half on each salad serving dish.

The Rocket Salad with Mushroom Recipe in the frame. The salad is on a beige plate. A hand holding tongs placing mushrooms on the salad.

Step 5

Around the lemon, carefully place half the rocket or mixed greens lettuce. Dish out half the soaked onions and mushrooms on top of the rocket lettuce. Drizzle half the dressing over each rocket salad and serve immediately.

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Substitutions, Variations, & Adaptations

  • Meaty - Add a sliced grilled chicken, shredded chicken, sliced pork or beef to top the salad.
  • Vegan Protein - Canned chickpeas can be added either plain, marinated chickpeas, or roasted chickpeas.
  • Kale - Switch the rocket out for baby kale.
  • Spicy - Add a couple of drops of chili oil to the dressing for a spice kick.
  • Reduced Sugar - Swap out the maple syrup for agave or monk fruit sweetener. Use 1 teaspoon of the sugar replacement. They tend to be a lot sweeter in taste than maple syrup.
  • Croutons - Make your own gluten free, top 9 free croutons by chopping bread into ½ inch cubes tossing them with a bit of olive oil, and a sprinkle of our garlic seasoning. Toast under the broiler until golden brown, flipping them as needed to get all sides browned.
  • Roasted Garlic - Instead of caramelised onions or shallots roast 1-2 heads of garlic in the oven with olive oil in foil packets for about 40 minutes at 400F.
The Rocket Salad with Mushroom Recipe in the frame. The salad is on a beige plate with a hand pouring the dressing on it.

Storage and Reheating Instructions

Storage

If the rocket salad is assembled it should be served right away. It doesn't keep well plated.

Fridge

The rocket salad can be kept in the fridge for up to 3 days. Store the caramelised onions, lettuce, charred lemon, dressing, and sauteed mushrooms in separate airtight containers. Don't store them together; the cooked ingredients will wilt the lettuce.

Freezer

Only the caramelised onions and charred lemons can be frozen in separate airtight containers. Do not freeze the lettuce, dressing or mushrooms.

Reheating

This rocket salad with mushrooms recipe is perfect for gatherings as the components can be made ahead and assembled right before serving. Sometimes we even the charred lemons or freeze caramelised onions in small portions. Thaw them before using them on the rocket salad.

Stove Top

What we do is make big batches of sautéed mushrooms the night before the dinner and pop them in the fridge. They will keep for a couple of days in an airtight container. You can use the mushrooms warm or cold. Both taste amazing! 

Then we do the same for caramelised onions. They can be put on the salad warm or refrigerator cool. If you want them warm, reheat them in a skillet over medium heat with a touch of water until heated through. They can be reheated together or separately.

The lemon is a half a meyer lemon that has been seared in a hot pan until the juices started to caramelise. You can do a few up ahead of time and keep them in the fridge in a ziploc for up to 3 days. Crisp it up in a pan after reheating the mushrooms and onions.

The Rocket Salad with Mushroom Recipe in the frame. The salad is on a beige plate.tongs putting the onions on the salad.

Equipment

  • Small Jar with lid - To make the dressing in. If you shake it to mix the dressing a lid is needed.
  • Small Whisk - If you prefer to stir the dressing rather than shake it you'll need a whisk to mix it.
  • Medium Pan - To cook the ingredients in.
  • Pan Lid - For covering the pan as the lemons cook.
  • Cooking Utensils - To stir the mushrooms and onions as they saute. 
  • Knife and Cutting Board - For cutting the mushrooms, onions, and lemons.
  • Salad Plates - This salad makes 2 lunch sized salads or 4 starter sized salads, if you cut the lemon in 4. We like to serve it on pretty plates to help showcase it as the stunning meal it is.
The Rocket Salad with Mushroom Recipe in the frame. The salad is on a beige plate.

What To Pair With

This recipe rocket salad is the perfect lunch recipe but also is a fabulous starter for a dinner party where you want to impress your guests. Serve it alongside a pork dish, like our pickle marinated pork roast, or with a chicken main course. My favourite chicken dishes with this rocket salad with mushrooms recipe are our lemon chicken thighs and potato sheet pan, chicken shawarma, or rosemary lemon roast chicken. 

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📖 Recipe

The Rocket Salad with Mushroom Recipe in the frame. The salad is on a beige plate.

Rocket Salad With Mushrooms Recipe

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Prep Time: 5 minutes minutes
Cook Time: 25 minutes minutes
Total Time: 30 minutes minutes
Servings: 2 Servings
Calories: 269kcal
Author: Katherine Evans - The Allergen Free Kitchen
A sophisticated, deliciously easy rocket salad with mushrooms recipe is the perfect addition to your next dinner. This gluten free, dairy free, top 9 free vegan salad is perfect as a salad course for four or a lunch for two.

Equipment

  • Small Jar with lid
  • Small Whisk
  • Medium Pan
  • Pan Lid
  • Cooking Utensils
  • Knife and Cutting Board
  • 2 Serving Plates

Ingredients

Salad Ingredients

  • 4 Cups Rocket Lettuce or mixed greens
  • 1 Tablespoon Avocado Oil divided
  • 1 Pound Mushrooms, button or crimini quartered or sliced
  • 1 Yellow Onion thinly sliced
  • ¼ teaspoon Sea Salt divided
  • ⅛ teaspoon Ground Pepper divided
  • 1 Lemon cut in half

Dressing Ingredients

  • 1 ½ tablespoon Olive Oil
  • 1 tablespoon White Wine Vinegar
  • 1 tablespoon Maple Syrup

Instructions

  • Pour all the dressing ingredients, olive oil, white wine vinegar and maple syrup in a small jar. Either combine well with a whisk or screw the lid on the jar and shake well. Set aside. Stir or shake again before pouring on the salad.
    1 ½ Tbsp Olive Oil, 1 Tbsp White Wine Vinegar, 1 tbsp Maple Syrup
  • In a medium pan, heat ½ Tablespoon olive oil over low-medium heat. To the pan add thinly sliced yellow onion. Slowly saute the onions, stirring often. The heat should not be so hot the onions start to crisp on the edges. To speed up the process to under 10 minutes you can add a tiny splash of water and maple syrup and mix well. Cook until the onions are caramelised, then season with half the salt and pepper. Remove from the pan and let cook until assembling the salad.
    1 Tablespoon Avocado Oil, 1 Yellow Onion, ⅛ teaspoon Ground Pepper, ¼ teaspoon Sea Salt
  • In the same medium pan, add the rest of the 1 tablespoon from the salad ingredients. Heat it over high heat. Add the sliced white mushrooms to the pan. Stir continuously as the mushrooms cook and season with the remaining salt and pepper at the end of cooking. Saute until cooked but try not to have them release all their water. About 3 -5 minutes If they do, drain the water off right away and keep cooking. Remove from the pan and set aside to cool.
    1 Tablespoon Avocado Oil, 1 Pound Mushrooms, button or crimini, ¼ teaspoon Sea Salt, ⅛ teaspoon Ground Pepper
  • Using the small pan, over high heat place both the lemon halves with the large cut side down in the pan. Place a tablespoon of water and cover the pan with a lid. Let cook for 2 minutes. Remove the lid and let the water boil off. Move the lemon around the pan keeping the cut side down. When it starts to char, remove it from the pan. Place one half on each salad serving dish.
    1 Lemon
  • Around the lemon, carefully place half the rocket or mixed greens lettuce. Dish out half the cooked onions and mushrooms on top of the rocket lettuce. Drizzle half the dressing over each salad and serve immediately.
    4 Cups Rocket Lettuce

Video

Notes

Cut mushrooms width-wise, not end to end but instead across. Trim the ends off as well so they will sit flat on the plate.
Rocket lettuce is also called Arugula in many countries.
If you are looking to serve the salad later, cook the onions and mushrooms and let them cool and assemble right before serving.
It keeps for up to 3 days if the mushrooms and onions are stored separately from the rocket lettuce.
To add protein, add drained canned chickpeas or white beans or cooked sliced chicken breasts.
Agave syrup or monk fruit sweetener can be used instead of maple syrup. Reduce the amount to 1 teaspoon of agave syrup or monk fruit sweetener.
To make this recipe really quickly, caramelise large amounts of onions and freeze them in one onion worth portions, for another day.
We like to put the lemon in the middle of the plate, rocket around, top with mushrooms and onions. You can assemble this however you like though.

Allergy Note 1

Always check that each ingredient is safe for you. Reading all the ingredients and labelling as well as checking with the manufacturer should always be done before buying any product. Each person's allergies are different and only you and your medical team can determine what is best for you. Checking with the manufacturer is best practice to see if shared lines, or facilities are used when making any of the suggested products. Just because a product is right for us does not mean it is safe for anyone else. You must do your own research on each product.

Allergy Note 2

If making this recipe for anyone with an allergy always check with them for suitable products and ingredients. Each person knows their allergies best and can advise on what is safe for them to eat. Keep in mind that if making for another person they may not be able to eat it with shared prep surfaces, cooking equipment, and kitchens or other safety reasons.

Allergy Note 3

This is not medical advice. Always discuss your allergies, nutrition, and suitable products and recipes with your medical team before using.

Nutrition

Calories: 269kcal | Carbohydrates: 22g | Protein: 9g | Fat: 19g | Saturated Fat: 2g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 13g | Sodium: 317mg | Potassium: 992mg | Fiber: 4g | Sugar: 14g | Vitamin A: 952IU | Vitamin C: 21mg | Calcium: 97mg | Iron: 2mg

Nutritional Disclaimer

"The Allergen Free Kitchen" is not a registered dietician or nutritionist, does not replace a registered dietician or nutritionist and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend you consult with your medical team to find a registered dietician or nutritionist and for you to calculate the nutritional information. Calories and nutritional values can vary vastly depending on which brands were used and any substitutions used.

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Food Safety

  • Cook to a minimum temperature of 165 °F (74 °C)
  • Do not use the same utensils on cooked food, that previously touched raw meat
  • Wash hands after touching raw meat
  • Contact the manufacturer of products, regarding cross contact and ingredients, to ensure they are safe for you
  • Always check ingredients for allergens
  • Do not use the same utensils on allergen free food, that previously touched allergens
  • Don't leave food sitting out at room temperature for extended periods
  • Never leave cooking food unattended
  • Use oils with high smoking point to avoid harmful compounds
  • Always have good ventilation when using a gas stove

See more guidelines at USDA.gov.

Allergy Resources

If you are struggling with allergies or which foods are safe for you we encourage you to contact your medical team to help determine what is best for you. 

For additional  resources please check out the following allergy education and advocacy pages:

In the United States:

  • Food Allergy & Anaphylaxis Connection Team (FAACT) - Home Page
  • Food Allergy Research & Education (FARE) - Home Page
  • U.S Food & Drug Administration (FDA) - Food Allergies - Home Page
  • Recalls, Reporting and Alerts on Food - in The United States of America
  • Food Safety and Inspection Service, USDA - Recalls
  • US Food & Drug Administration, FDA - Recalls
  • Celiac Disease Foundation - Home Page
  • National Celiac Association (NCA) - Home Page
  • Beyond Celiac - Home Page
  • Celiac.com - Home Page 

In Canada

  • Food Allergy Canada - Home Page
  • Celiac Canada - Home Page
  • The Government of Canada - Health Site- Food Allergies
  • The Government of Canada - Food Allergen Labelling, the List of Ingredients and Allergens on Food Labels, and Allergens and Gluten Sources Labelling

Recalls, Reporting and Alerts on Food - in Canada

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We're Katherine and Rob!

The passionate creators behind The Allergen Free Kitchen, your go-to destination for allergy-friendly recipes that are as delicious as they are free from the top 9 allergens. With a deep commitment to our own children's food allergies, We embarked on a journey to develop and share scrumptious meals that cater to various dietary needs.

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