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    Home » Recipes » Vegan Side Dish Recipes

    Best Roasted Cauliflower with Dijon Mustard

    By: Amy Katz · Published: Dec 10, 2018 · Last modified: Sep 16, 2021 · This post may contain affiliate links. · As an Amazon Associate I earn from qualifying purchases.

    Jump to Recipe - Print - Pin
    Special diet: gluten-free, nut-free, soy-free, vegan

    Loaded with flavor from garlic, mustard, and dill, this vegan roasted cauliflower side dish is easy to make with only 5 ingredients. If you enjoy the taste of Dijon salad dressing, this is the recipe for you.

    Serving bowl of mustard roasted cauliflower

    There's nothing like roasting vegetables to bring out their flavor. And while it's common to use olive oil and salt and pepper, you can add other ingredients like Dijon mustard, garlic, and fresh herbs, as well. After you try it, I think you'll agree this is the best roasted cauliflower recipe.

    Jump to:
    • Why you'll love this recipe
    • Ingredients
    • Instructions
    • Serving suggestions
    • Storing
    • FAQ
    • More unique cauliflower recipes
    • 📋 Recipe
    • 💬 Comments

    Why you'll love this recipe

    • It's incredibly tasty yet only requires 5 ingredients (plus salt and pepper).
    • This mouthwatering dish goes with just about everything.
    • The leftovers can be eaten hot or cold.

    Ingredients

    You only need 5 ingredients, plus salt and pepper, to make this easy roasted cauliflower recipe:

    • Dijon mustard (or your favorite stone ground mustard)
    • Olive oil
    • Fresh garlic
    • Cauliflower (use fresh, not frozen, for this recipe)
    • Fresh dill

    For the complete list of ingredients with measurements plus recipe instructions, please see the recipe card at the bottom of this post.

    Instructions

    Numbered process shots showing how to make this recipe
    1. Combine the Dijon mustard, olive oil, garlic, and salt and pepper in a large mixing bowl. Add the cauliflower florets to the mixture and toss well with your hands so that the florets are well coated.
    2. Spread the cauliflower out in a single layer on a baking sheet.
    3. Roast in the oven until the cauliflower is tender and lightly browned.
    4. Transfer the cauliflower to a shallow serving bowl or plate and garnish with fresh dill.

    Serving suggestions

    Close up of roasted cauliflower florets on a serving spoon

    This side dish is quite versatile and goes with a wide variety of dishes from pasta to rice pilaf to meatloaf. Browse some of these favorites for inspiration:

    • Lemon Artichoke Pasta
    • Fresh Tomato Pasta
    • Chickpea Rice Pilaf
    • Mediterranean Millet
    • Vegan Meatloaf Muffins

    Storing

    Leftover roasted vegetables can be covered and refrigerated for 3-4 days. Reheat them in a microwave-safe bowl or enjoy them cold straight from the refrigerator. They are a wonderful addition to salads topped with Mediterranean Green Olive Salad Dressing.

    FAQ

    Why is my roasted cauliflower mushy?

    Make sure to spread the florets out evenly on your baking sheet and avoid overcrowding to ensure even roasting.

    Is roasting vegetables better than steaming?

    More nutrients are retained with dry cooking methods such as roasting, grilling, and stir-frying.

    Can roasted cauliflower be made in an air fryer?

    This recipe can be prepared in your air fryer by cooking at 375 degrees for 20 minutes, tossing halfway through. Be sure not to overcrowd the basket. You may need to cook the florets in two batches.

    How many cups of cauliflower are in one head?

    This recipe calls for one head of cauliflower, which is about 4 cups.

    More unique cauliflower recipes

    Looking for more ways to enjoy cauliflower? Try some of these vegan favorites:

    • Pan Fried Cauliflower in Vegan Puttanesca Sauce
    • Mediterranean Cauliflower Salad
    • Vegan Cauliflower Alfredo Sauce (Nut-Free)
    • Spicy Roasted Cauliflower with Jalapeño Pepper

    And for even more recipes, join the Vegan Mediterranean Diet Recipes Facebook group for support, inspiration, and fun.

    If you love this recipe, please give it 5 stars! ★★★★★

    📋 Recipe

    Best Roasted Cauliflower with Dijon Mustard

    Loaded with flavor from garlic, mustard, and dill, this vegan roasted cauliflower side dish is easy to make with only 5 ingredients.
    5 from 4 votes
    Print Pin SaveSaved! Rate Email recipe + ingredient list
    Special diet: gluten-free, nut-free, soy-free, vegan
    Course: Side Dish
    Cuisine: Fusion, Mediterranean
    Prep Time: 15 minutes
    Cook Time: 30 minutes
    Total Time: 45 minutes
    Servings: 4
    Calories: 108kcal
    Author: Amy Katz

    Equipment

    • baking sheet pan

    Ingredients

    • 3 Tablespoons Dijon mustard
    • 2 Tablespoons olive oil
    • 2 cloves garlic, minced
    • salt and pepper, to taste
    • 1 head cauliflower, separated into florets
    • fresh dill, chopped, for garnish
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    Instructions

    • Heat the oven to 400 degrees F.
    • Meanwhile, combine the Dijon mustard, olive oil, garlic, and salt and pepper in a large mixing bowl. 
    • Add the cauliflower florets to the mustard mixture and toss well with your hands so that the florets are well coated.
    • Spread the cauliflower out in a single layer on a baking sheet lined with parchment paper for easier clean up.
    • Roast in the oven for 30 minutes or until the cauliflower is tender and lightly browned.
    • Remove the baking sheet from the oven and transfer the cauliflower to a shallow serving bowl or plate. Garnish with chopped fresh dill and serve.

    Notes

    Air Fryer instructions:
    This recipe can be prepared in your air fryer by cooking at 375 degrees for 20 minutes, tossing halfway through. Be sure not to overcrowd the basket. You may need to cook the florets in two batches.
    Success tips:
    • Use your hands to coat the florets with the mustard mixture to ensure you don't miss any spots.
    • Do not overcrowd the pan. Spread the vegetables out in a single layer as much as possible to avoid mushy cauliflower.
    Storing leftovers:
    Leftover roasted vegetables can be covered and refrigerated for 3-4 days. Reheat them in a microwave-safe bowl or enjoy them cold straight from the refrigerator.
     
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    Nutrition

    Calories: 108kcal | Carbohydrates: 8g | Protein: 3g | Fat: 8g | Saturated Fat: 1g | Trans Fat: 1g | Sodium: 171mg | Potassium: 451mg | Fiber: 3g | Sugar: 3g | Vitamin A: 8IU | Vitamin C: 70mg | Calcium: 41mg | Iron: 1mg

    Nutritional information is an estimation only.

    Want to learn the 5 Secrets to Cooking the Vegan Mediterranean Diet Way? Join the the FREE 5-day mini course and get the secrets delivered to your inbox.

    « Mexican Christmas Eve Salad (Ensalada de Nochebuena)
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    About Amy

    Amy Katz is a vegan recipe developer, photographer, and Certified Vegan Nutrition Health Coach. She loves sharing delicious plant-based Mediterranean diet recipes that home cooks of all levels can enjoy. Her easy vegan recipes have been featured on NBC News, Parade, VegNews, BuzzFeed, MSN, Greatist, PureWow, Brides, LIVEKINDLY, Insider, Brit+Co, Well+Good, and more. She lives in Orange County, California with the love of her life, Brad, and their adorable black cat, Ozzy.

    Reader Interactions

    Comments

    All commentsI made thisQuestions
    1. Terry

      January 09, 2022 at 4:32 pm

      I thought I had enough cauliflower recipes, until I tried this one! The other recipes will be deleted. This is so good! Does the sauce work on broccoli? Thank you!

      Reply
      • Amy Katz

        January 10, 2022 at 10:09 am

        Thank you so much, Terry! Yes, broccoli will work great!

        Reply
    2. Jane Rogers

      August 10, 2021 at 8:12 am

      5 stars
      I've made this cauliflower dish several times now. It's very tasty and easy to make. Even my husband likes this dish!

      Reply
      • Amy Katz

        August 10, 2021 at 9:06 am

        That's wonderful to hear, Jane!

        Reply
    3. Sarah

      November 03, 2020 at 3:43 pm

      5 stars
      Absolutely delicious! Easy to make and very tasty.

      Reply
      • Amy Katz

        November 04, 2020 at 12:11 pm

        Thank you, Sarah! I'm so glad you enjoyed it.

        Reply
    4. Laura

      October 14, 2020 at 5:58 am

      5 stars
      Wow, mouthwatering is right!!! I didn't have cauliflower but had brussels sprouts and they were soooo good! I will definitely be using that sauce on everything! Thanks for a wonderful recipe!

      Reply
      • Amy Katz

        October 14, 2020 at 6:59 am

        That is fantastic to hear, Laura! I need to try it on Brussels sprouts now!

        Reply
        • Faith Bush

          June 15, 2021 at 2:29 pm

          May I ask what do you put as the main but of the meal. This sounds good.

          Reply
          • Amy Katz

            June 15, 2021 at 2:49 pm

            Thanks Faith! It goes well will lots of different dishes. I usually serve it as a side with pasta.

            Reply
    5. Anna

      March 02, 2020 at 11:32 am

      5 stars
      I’ve made this cauliflower recipe quite a few times for myself and for others. It’s absolutely scrumptious. Thanks for sharing this recipe.

      Reply
      • Amy Katz

        March 02, 2020 at 1:12 pm

        Thank you so much, Anna! I'm so happy you are enjoying it!

        Reply
    6. Thanigaivelan

      October 01, 2019 at 11:08 pm

      Roasted Cauliflower is too tasty...I tried your recipe. Thanks a lot

      Reply
      • Amy Katz

        October 02, 2019 at 10:06 am

        Glad you enjoyed it!

        Reply

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    Hi, I'm Amy! As a Certified Vegan Nutrition Health Coach, my passion is creating vegan Mediterranean diet recipes to inspire everyone to choose plant-based meals more often. At Veggies Save The Day you'll find simple delicious recipes that are easy to make any night of the week.

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    Amy holding an avocado like a heart

    Hi, I'm Amy! As a Certified Vegan Nutrition Health Coach, my passion is creating vegan Mediterranean diet recipes to inspire everyone to choose plant-based meals more often. At Veggies Save The Day you'll find simple delicious recipes that are easy to make any night of the week.

    More about me →

    Summer Favorites

    • Quick Italian White Bean Salad
    • Mediterranean Tomato and Zucchini Saute
    • Cauliflower Curry Vegan Grill Recipe
    • 5 Ingredient Vegan Lentil Salad

    Most Popular

    • Mediterranean Yellow Rice
    • 15 Minute Tomato Paste Pasta Sauce
    • Vegan Lemon Artichoke Pasta
    • Sauteed Green Beans with Mushrooms

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