Keto Cauliflower Casserole

User Reviews

4.4

105 reviews
Good
  • Prep Time

    10 mins

  • Cook Time

    50 mins

  • Total Time

    1 hr

  • Servings

    10 servings

  • Calories

    175 kcal

  • Course

    Side Dish

  • Cuisine

    American

Keto Cauliflower Casserole

This Keto Cauliflower Casserole features roasted cauliflower florets coated in a creamy sauce made from sautéed onions, garlic, full-fat coconut milk or heavy cream, egg yolks, and cheese. The result is a rich, low-carb dish with a velvety texture and savory flavor, enhanced by the caramelized notes from roasting and onions. Topped with chopped green onions and black pepper, it offers a satisfying side or main course option for ketogenic diets.

Description

Keto Cauliflower Casserole begins with roasting chopped cauliflower in a lightly oiled casserole dish until golden brown, adding depth to the base with caramelized edges. Meanwhile, a sauce is prepared by sautéing yellow onions until browned, then adding minced garlic and full-fat coconut milk or heavy cream. This mixture is brought to a boil, thickened through cooking, and egg yolks are incorporated off heat to enrich and thicken the sauce further with gentle reheating.

The cauliflower is then combined with the creamy sauce and grated cheese, creating a luscious casserole that bakes to meld the flavors and textures. The finishing touches include a splash of cider vinegar to brighten richness, and the dish is seasoned with sea salt, black pepper, and garnished with chopped green onions. This casserole offers a creamy and savory profile, suitable for low-carb or keto eating plans.

The recipe emphasizes technique such as allowing the sauce to cool slightly before adding egg yolks to avoid curdling, using avocado oil for roasting, and proper roasting time for cauliflower to develop color without overcooking. The use of coconut milk or heavy cream provides flexibility based on dietary preferences.

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Ingredients

Servings
  • 2 cauliflower about 5 to 6 cups chopped, medium-sized heads
  • 2 Tbsp avocado oil
  • 1 yellow onion chopped, medium
  • 4 cloves garlic minced
  • 1 coconut milk full-fat, 15 oz can, or heavy cream
  • 2 egg yolk
  • 2 cups cheese grated
  • 1 Tbsp cider vinegar
  • 1/2 tsp salt to taste, sea salt

For Serving:

  • 2 green onion chopped, stalks
  • 1/2 tsp black pepper

Instructions

Roast the Cauliflower:

  1. Preheat the oven to 400 degrees F and lightly oil a large casserole dish.
  2. Wash the cauliflower well and pat dry. Remove the green stems, chop cauliflower into florets and add to the prepared casserole dish. Roast cauliflower in the preheated oven for 35 minutes, until it begins turning golden-brown.

Make the Sauce:

  1. While the cauliflower is roasting, prepare the sauce. Add 2 tablespoons of avocado oil to a large skillet and add the chopped onion. Sauté onion, stirring occasionally until it begins to brown, about 10 minutes. Add the garlic and coconut milk and bring to a full boil. Cook at a full boil, stirring occasionally for 2 minutes, until thick and the sauce pulls away from the pan when stirred.
  2. Remove Sauce from heat and allow it to cool for 3 minutes. Whisk the egg yolks in a bowl, add into the sauce mixture and stir well. Place the skillet back on the stove top and heat over medium-high again and heat until mixture is steamy but not boiling. Stir in the cider vinegar and 1 cup of the grated cheese and stir until melted and thick. Remove sauce from the heat. Taste sauce for flavor and add more sea salt and/or cider vinegar to taste.

Make the Casserole:

  1. Pour the sauce over roasted cauliflower. Stir the sauce into the cauliflower very well until everything is well-coated in sauce. Sprinkle with the remaining 1 cup of cheese.
  2. Bake at 425 for for 5 to 6 minutes, until the cheese is melted.
  3. Change oven to the high broil setting and move the casserole to the second-to-the-top shelf of the oven. Broil for 1 to 3 minutes, until cheese is golden-brown and slightly crispy.
  4. Sprinkle casserole with chopped green onion and sprinkle with black pepper. Serve!

Nutrition Information

Show Details
Serving 1of 10 Calories 175kcal (9%) Carbohydrates 5g (2%) Protein 6g (12%) Fat 16g (25%) Fiber 4g (16%) Sugar 2g (4%)

Nutrition Facts

Serving: 10servings

Amount Per Serving

Calories 175 kcal

% Daily Value*

Serving 1of 10
Calories 175kcal 9%
Carbohydrates 5g 2%
Protein 6g 12%
Fat 16g 25%
Fiber 4g 16%
Sugar 2g 4%

* Percent Daily Values are based on a 2,000 calorie diet.

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4.4

105 reviews
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