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  • Gluten Free
  • Sugar Free
  • Vegetarian

Roasted Cauliflower Steak with Pesto Sauce

Cauliflower meets steak and pesto with this Roasted Cauliflower Steak dish with Spinach Pesto! Homemade pesto adds that perfect touch to summer dishes, while cauliflower makes the perfect meat substitute.

baking sheet with parchment paper and roasted cauliflower with pesto.

Do you know what has been missing from your evening dinners this spring? I do: it’s this cauliflower steak! Healthy cauliflower steaks might be a new menu item in your house, but I can assure you that you’ll be making it repeatedly. It’s the perfect taste of roasted veggies with fresh pesto. Need I say more?

You may not think you could use a whole cauliflower head in one meal, but I can assure you that this steak will fly off the table. Above all other cauliflower recipes, this one reigns supreme. Vegetarians, vegans, and even any steak eater can unite at one table that holds the perfect cauliflower steak. Olive oil, paprika, and garlic powder add the perfect touch of spice that makes this recipe a family favorite. Grilled cauliflower steak is an excellent option for summer, but this recipe holds up in the winter when you can cook it in the comfort of your warm home.

pesto on a white spoon with roasted cauliflower steak.

Additional Toppings for Roasted Cauliflower

If you want to add more topping options, parmesan cheese melts nicely over a warm cauliflower steak.

Cauliflower for All

Cauliflower might just be my favorite vegetable. You can make cauliflower pizza crust, cauliflower buffalo bites, cauliflower rice, and cauliflower salads, all from simple heads of cauliflower. There are spices galore. That touch of a little olive oil, about a teaspoon of salt and black pepper, and maybe some lemon zest make the perfect…. anything, really. This great recipe is just another one in a long list of favorites. There may be all kinds of vegetables that are low carb, but none of them really compare to all the roles that cauliflower can play in your diet. It’s limitless! It can very much be the popular vegetarian option at your next BBQ.

Simple Pesto Sauce for Steak with Pine Nuts

You might find different recipes for this steak, but I can assure you, there is no better pesto recipe. With pine nuts, parmesan, lemon juice, garlic, olive oil, and the perfect amount of salt and pepper, you’ll be finding yourself making this favorite pesto recipe again just as soon as it’s eaten. Made with easy-to-find ingredients: Spinach, Olive oil, parmesan cheese, lemon juice, garlic clove, pine nuts, salt, and pepper to taste.

It can dress up your simple summer meal tonight, too. It dresses up the best steaks that you’ll ever enjoy, whether it’s one of your first times making it or you’re a seasoned professional (pun intended). It’ll be the crowning glory of your meal plans. Who knew a small bowl of spices can go such a long way? I do, which is why I love sharing these tasty recipes and other little bits of my kitchen with you.

pesto in a white bowl with a spoon with roasted cauliflower on the side.

Here’s what you’ll need to make one of my favorite recipes:

Cauliflower A head of cauliflower is the secret weapon of a low-carb kitchen. Your taste buds and body will thank you for the benefits it provides.

Olive oil is a great source of vitamin E and vitamin K.

Paprika, garlic powder, and salt add spice and good flavors to this veggie steak.

recipe ingredients cauliflower spinach olive oil lemon salt pepper parmesan cheese pine nuts spices and garlic cloves.

Here are some more delicious recipes using cauliflower you’ll enjoy:

Keto Friendly Roasted Cauliflower and Asparagus Soup with Nutritional Yeast

Buffalo Cauliflower with Yogurt Dipping

a silver fork on a grey plate with roasted cauliflower steak and pesto on it.

Cauliflower Steak with Spinach Pesto

These thickly sliced and deliciously seasoned cauliflower steaks are roasted to perfection and then topped with the best homemade pesto sauce. This is an amazing dish for a summer cookout!
5 from 2 votes
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Course: Appetizer, Dinner, Lunch, Main Course, Meals, Side Dish
Cuisine: American
Allergy: Gluten Free, Sugar Free, Vegetarian
Prep Time: 15 minutes
Cook Time: 25 minutes
Total Time: 40 minutes
Calories: 485kcal


  • 1 head cauliflower
  • 3 Tbsp olive oil
  • 1 tsp paprika
  • 1 tsp garlic powder
  • 1 tsp salt

Pesto Sauce

  • 2 cups spinach
  • ½ cup olive oil
  • cup pine nuts
  • cup Parmesan cheese, grated
  • 2 tsp lemon juice
  • 2 cloves garlic
  • salt and pepper, to taste


  • Preheat the oven to 400°F. Cover the baking sheet with parchment paper.
  • Cut cauliflower into 1” thick steaks.
    1 head cauliflower
    raw cauliflower steak slices on a wooden cutting board
  • Place cauliflower steaks onto a baking sheet.
    raw cauliflower steak slices on a baking tray.
  • Drizzle each steak with olive oil.
    3 Tbsp olive oil
    cauliflower steak with spices and olive oil on a baking sheet.
  • Sprinkle steaks with half of the amount of garlic powder/paprika/salt mix.
    1 tsp paprika, 1 tsp garlic powder, 1 tsp salt
    spices atop roasted cauliflower with olive oil on a baking tray with parchment paper.
  • Bake in a preheated oven for about 15 minutes until the tops are browned. 
    roasted cauliflower steak with spices and olive oil on a baking tray with parchment paper.
  • Remove from the oven, and gently flip each steak. Drizzle the other side with olive oil and sprinkle with spices.
    1 tsp paprika, ½ cup olive oil, 2 cloves garlic, 1 tsp salt
    roasted cauliflower slices on parchment paper and a baking tray.
  • Place back in the oven and bake for about 10 minutes.
    a baking tray with parchment paper and roasted cauliflower steak.
  • For pesto, just blend all the ingredients in a food processor until smooth.
    2 cups spinach, ⅓ cup pine nuts, ⅓ cup Parmesan cheese,, 2 tsp lemon juice, salt and pepper,
    blended pesto in a food processor.
  • Serve with pesto sauce and enjoy!
    a baking sheet with a bowl of pesto sauce and a spoon with baked cauliflower steak.


Calories: 485kcal | Carbohydrates: 11g | Protein: 8g | Fat: 48g | Saturated Fat: 7g | Polyunsaturated Fat: 8g | Monounsaturated Fat: 30g | Cholesterol: 6mg | Sodium: 772mg | Potassium: 609mg | Fiber: 4g | Sugar: 3g | Vitamin A: 1514IU | Vitamin C: 77mg | Calcium: 151mg | Iron: 2mg
Tried this recipe?Mention @allweeat_com or tag #allweeat!

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