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This whole roasted cauliflower recipe is a fun way to add some versatility to dinner! The cauliflower is coated in a creamy sauce made with Dijon mustard, lemon juice, and capers, and then roasted in a Dutch oven. The result is a tender, flavorful, slightly spicy cauliflower roast that’s great as a side dish or appetizer. For best results, be sure to use a good quality Dijon mustard.

By Ashley Madden, B.Sc.(Pharm), ACPR, CHNC,

Ingredients

  • 1 (small to medium) head cauliflower
  • 3 tablespoons Dijon mustard
  • 3 tablespoons lemon juice
  • 1 tablespoon drained capers
  • 3 cloves garlic, minced
  • 2 tablespoons nutritional yeast
  • ¼ cup plus 1 tablespoon chopped fresh parsley, divided
  • ¼ teaspoon turmeric
  • ¼ teaspoon red pepper flakes
  • 1 tablespoon sesame seeds, for garnish
  • ½ teaspoon red pepper flakes, for garnish

Instructions

  1. Preheat the oven to 425°F. Trim the leaves from the cauliflower, and cut off the stem so the cauliflower can stand upright.
  2. Combine the Dijon mustard, lemon juice, capers, garlic, nutritional yeast, 1 tablespoon chopped parsley, turmeric, and red pepper flakes in a small blender; blend until smooth. (If you don’t have a small blender, use an immersion blender, or skip the blender altogether, finely chop the capers, and whisk the sauce ingredients together in a small bowl.)
  3. Use a pastry brush to coat the cauliflower with about half of the lemon Dijon sauce.
  4. Place the cauliflower in a Dutch oven, cover with lid, and roast for 30 minutes. After 30 minutes, baste the cauliflower with more lemon Dijon sauce, then cover pan and roast for 20 more minutes. Baste one more time with lemon Dijon sauce, then return cauliflower to oven to cook, uncovered, for 10 minutes.
  5. Remove pan from the oven, and carefully remove the cauliflower from the pan. Garnish with remaining ¼ cup chopped parsley, sesame seeds, and red pepper flakes. Serve whole, or slice into wedges.
(5)
4 Comments

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(4.2 from 5 votes)
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Jeanine Sullivan8 months ago
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The flavor is delicious. I had fleurettes and sliced a yellow squash and zucchini. I made the sauce as directed and coated the sliced veggies and cauliflower, roasted it, and YUM.

Wayne1 year ago
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Incredibly tasty!
Now a firm favourite throughout the household.
Note that cooking times may vary due to the size of the cauliflower. I slow cooked mine (150°c) for about a hour and a half then followed the instructions from the re-basting.

Claudette Rolle1 year ago
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The cooking time needs to be increased. The califower was not cooked well enough

Marsha1 year ago
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I like the overall presentation and being able to slice the cauliflower in wedges. The parsley didn’t do much for me, so I need to find a different herb to cut the mustard taste. I’d like to make the sesame seeds stick a bit more to the baste. I’m wondering how I can do that.

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Roasted Cauliflower

Lemon Dijon Whole Roasted Cauliflower

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Headshot of Ashley Madden, B.SC(Pharm), ACPR, CHNC
about the author

Ashley Madden, B.Sc.(Pharm), ACPR, CHNC

Ashley Madden is a full-time food lover and self-professed health nut. She’s also a pharmacist, holistic nutritionist, graduate from the Natural Gourmet Institute, and healthy food blogger. Madden is adamant that health starts in the kitchen. She specializes in plant-based, gluten-free, and oil-free recipes, which you can find on her blog Rise Shine Cook. Her work has been published on Mind Body Green, One Green Planet, and Healthline as well as in Vegan Lifestyle Magazine and Thrive Magazine. Madden works with individual clients, teaches private and group cooking classes, and educates others about the power of a healthy plant-based diet and lifestyle. Find her on Instagram and Twitter.

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