Roasted Cauliflower Steaks

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In this recipe, vegan chef Robin Robertson shows how to create homemade vegan foods from everyday ingredients. This vegan roasted cauliflower piccata is bursting with flavor and is a great choice for making your weeknight dinner feel a little extra special. This recipe comes courtesy of her new book, Veganize It, where delicious and easy is the name of the game.

Cauliflower Power

Calling all cauliflower lovers! This cruciferous vegetable is a true superstar—amazing for making vegan Alfredo, chopping into a salad, and of course roasting! Cauliflower is part of the cabbage family, along with kale, bok choy, and broccoli but offers a creamier flavor than the aforementioned. Additionally, cauliflower offers a heap of nutritional benefits that make this food a true rockstar.

  • Choline, Choline – (Meant to be read in the tune of Dolly Parton’s Jolene but I digress.) Choline is an essential nutrient that many people are deficient in but thanks to cauliflower, you now have a delicious way to get your daily dose! Choline not only synthesizes DNA and supports a healthy metabolism but also aids in the production of neurotransmitters that are essential for a healthy nervous system.
  • Awesome Antioxidants – Cauliflower contains an awesome antioxidant called sulforaphane which is known to inhibit cancer growth. Research also shows that sulforaphane could also help reduce high blood pressure which helps to prevent heart disease.
  • Full of Fiber – Looking for a delicious way to get in some fiber? Look no further than the mighty cauliflower! For every cup of cauliflower, you get a whopping 3 grams of fiber which is 10% of your daily need.

How to Serve Up Your Roasted Cauliflower Piccata

This recipe goes wonderfully with a variety of other foods! If mashed potatoes aren’t calling you, here are some other suggestions on how to enjoy your roasted cauliflower piccata:

Storing Your Cauliflower Piccata

Keep your roasted cauliflower piccata in an airtight container and it should last up to three days in the fridge. Freezing is not recommended since the consistency of the sauce may make the cauliflower a little mushy.

Get your copy of Veganize It! here:

Roasted Cauliflower Piccata

Author: Robin Robertson
5 from 7 votes
This roasted cauliflower piccata is delicious! When you cut a head of cauliflower like you would a loaf of bread, the resulting slabs can be roasted and served as delicious cauliflower steaks. My favorite way to season them is with a luscious lemony piccata sauce and mushrooms atop a serving of creamy mashers.
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 4


  • 1 head cauliflower, cored
  • olive oil, for cooking
  • salt and freshly ground black pepper
  • 1 cup sliced mushrooms
  • 2 scallions, minced
  • cup dry white wine or vegetable broth, store-bought or homemade
  • 3 tablespoons fresh lemon juice
  • tablespoons capers, drained
  • ¼ cup fresh parsley, minced 
  • 2 teaspoons vegan butter, store-bought or homemade, chilled
  • mashed potatoes with sour cream and chives, for serving


  • Preheat the oven to 425°F. Lightly oil two large rimmed baking sheets or line them with parchment paper.
  • Place the cauliflower on a cutting board, cored-side down, and use a long serrated knife to cut it into ½-inch-thick slices, as if you were cutting a loaf of bread. Arrange the cauliflower slices in a single layer on the prepared baking sheets and brush with a little olive oil or spray with cooking spray and season with salt and pepper to taste. Roast the cauliflower until tender and nicely browned, 25 to 30 minutes, turning once with a large metal spatula about halfway through.
  • While the cauliflower is roasting, make the sauce. Heat 2 teaspoons of oil in a skillet over medium heat. Add the mushrooms and scallions and sauté for about 3 minutes, or until softened. Add the wine, lemon juice, and capers and cook, stirring, until the liquid reduces slightly. Just before serving, add the parsley, then stir in the butter to melt it into the sauce.
  • To serve, spoon a serving of the mashed potatoes onto each plate and top with a cauliflower steak. Spoon the sauce on top.


Calories: 67kcal | Carbohydrates: 10g | Protein: 4g | Fat: 3g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 0.4g | Sodium: 225mg | Potassium: 557mg | Fiber: 4g | Sugar: 4g | Vitamin A: 422IU | Vitamin C: 80mg | Calcium: 44mg | Iron: 1mg
Course dinner
Cuisine Italian
Keyword cauliflower piccata, roasted cauliflower, roasted cauliflower piccata, vegan piccata

More Delicious Roasted Vegan Recipes to Try

Text excerpted from VEGANIZE IT! © 2017 by Robin Robertson. Reproduced by permission of Houghton Mifflin Harcourt. All rights reserved. Photo by William and Susan Brinson. Article written by Michelle Cehn and edited by Amanda Meth.

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Recipe Rating

  1. 5 stars
    This cauliflower steak looks divine!!

  2. Andrea White says:

    5 stars
    I’ve been wanting to try this out and this recipe looks amazing!!

  3. Beatriz Buono-Core says:

    5 stars
    This could be on the menu of a fancy vegan restaurant! So good!

  4. 5 stars
    I didn’t think I’d be a cauliflower steak kind of person, but this recipe is AMAZING!! Such a fun way to eat veggies.

  5. 5 stars
    Cauliflower isn’t a huge favorite of mine, but this recipe actually made me reconsider. Flavorful and really delicious with rice.

  6. 5 stars
    This is such a lovely way to make cauliflower and also makes dinner feel a little extra special at home!

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