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Easy Roasted Frozen Cauliflower

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4.29 from 7 votes
Gavin CrispBy Gavin Crisp
Gavin Crisp
Gavin Crisp Food Writer and Editor

Gavin is a writer/editor who makes a point of exploring both the finest and not-so-finest dining establishments during his global travels. Armed with his trusty laptop with which he writes of his e…

Expertise: Food & Travel Writing For 15 Years View all posts →
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Enjoy convenience at its most delicious with Roasted Frozen Cauliflower—seasoned vegetables made with the greatest of ease.

Easy Roasted Frozen Cauliflower featured image front shot

Sometimes the most delicious aspect of a meal is the convenience with which it’s made. That’s the case with this dish: Roasted Frozen Cauliflower.

As the name indicates, we’re turning to that section of the grocery store I don’t typically explore: the one filled with all the frozen vegetables. When time allows, I will always choose fresh (unless the recipe specifically calls for frozen). But on those occasions when my watch is ticking and my calendar is quickly filling up, I turn to the ice-cold variety.

Luckily, cauliflower is more than accommodating. Not only can it serve as my pizza crust and my low-carb rice replacement, it can taste great even frozen.

Is roasted frozen cauliflower healthy?

Yes, cauliflower is a vegetable that contains a multitude of nutrients, minerals, vitamins, and fiber. It’s low in carbs, making it a favorite for those on keto and low-carb diets. It’s also suitable for vegan (ensure the vegetable seasoning contains no animal products), vegetarian, dairy-free, paleo (depending on the seasoning), gluten-free, and Mediterranean diets.

Easy Roasted Frozen Cauliflower ingredients

What is in the roast vegetable seasoning?

Typically, you’ll find some or all of rosemary, oregano, thyme, garlic powder, onion powder, dried parsley, and celery salt. You can either make your own or, in the spirit of convenience in this dish, buy it pre-packaged. If you’re going the latter route, inspect the label to see what it’s packing.

Easy Roasted Frozen Cauliflower close up shot

Do I need to stir/flip the cauliflower?

It’s not necessary if you are using a large pan. But if your pan is small and the cauliflower is crowded, you may want to stir things up to ensure even cooking.

Easy Roasted Frozen Cauliflower front shot

How to store roasted frozen cauliflower?

Let the cauliflower cool completely then store in an airtight container. It should keep for up to 4 days in the fridge. To reheat, place it back in the oven at 375°F until warmed through. You can also freeze the cauliflower. Place the florets on a baking sheet then put it in the freezer until each piece is solid. Take them out and place them in an airtight container or freezer-safe bag. They should keep for 3 months.

Easy Roasted Frozen Cauliflower top shot

Recipe

Easy Roasted Frozen Cauliflower

4.29 from 7 votes
Print Rate
Serves: 4
Easy Roasted Frozen Cauliflower featured image front shot
Prep: 5 minutes minutes
Cook: 50 minutes minutes
Total: 55 minutes minutes

Ingredients

  • 1.5 lb. frozen cauliflower florets
  • 3 tbsp olive oil
  • 2 tbsp roast vegetable seasoning

Instructions

  • Preheat the oven to 400°F. Spread the frozen cauliflower out on a baking sheet.
  • Sprinkle the olive oil and vegetable seasoning over the florets.
    Easy Roasted Frozen Cauliflower steps shot
  • Toss together with your hands so that it is evenly coated. Roast for 45–50 minutes.
    Easy Roasted Frozen Cauliflower steps shot

Nutrition Info:

Calories: 155kcal (8%) Carbohydrates: 14g (5%) Protein: 4g (8%) Fat: 11g (17%) Saturated Fat: 2g (13%) Sodium: 53mg (2%) Fiber: 7g (29%) Sugar: 4g (4%)

Nutrition Disclaimer

Nutrition information are estimates only and may vary based on the specific brands, ingredients, and portion sizes you use. This data is provided for informational purposes only.

Author: Gavin Crisp
Course:Vegetables
Cuisine:American
Share your creationsTag @foodfaithfit and hashtag it #foodfaithfitness so I can see what you made!
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Gavin Crisp

About Gavin CrispFood & Travel Writing For 15 Years

Gavin is a writer/editor who makes a point of exploring both the finest and not-so-finest dining establishments during his global travels. Armed with his trusty laptop with which he writes of his experiences, he ventures forth in search of that perfect Manhattan cocktail and the loveliest curry sauce to pour over his fish & chips.

Reader Interactions

Paola Westbeek

✓Reviewed by Paola WestbeekGastronomy & Fine Wines

Published: Jan 8, 2024 | Updated: Oct 17, 2025
4.29 from 7 votes (7 ratings without comment)

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