Cheesy Cauliflower Casserole

User Reviews

5.0

132 reviews
Excellent
  • Prep Time

    15 mins

  • Cook Time

    15 mins

  • Total Time

    30 mins

  • Servings

    6 servings

  • Calories

    167 kcal

  • Course

    Side Dish

  • Cuisine

    American

Cheesy Cauliflower Casserole

This amazingly rich and creamy cauliflower casserole features sour cream, shredded cheddar, and crumbled bacon.

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Ingredients

Servings
  • 1 cauliflower head large, cut into small florets; 1.5 pounds of florets
  • Olive oil spray
  • 1 teaspoon Diamond Crystal kosher salt or ½ teaspoon of any other salt, including Morton kosher salt
  • ¼ teaspoon black pepper
  • ½ cup sour cream
  • 2 tablespoons whole milk
  • 1 teaspoon Dijon mustard
  • 1 teaspoon fresh garlic minced
  • Pinch cayenne pepper
  • 1 cup cheddar sharp, shredded, divided; 4 ounces total

Garnish:

  • 2 tablespoons bacon bits
  • 2 tablespoons thinly sliced scallions green parts
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Instructions

  1. Preheat the oven to 425°F. Line a rimmed baking sheet with parchment paper.
  2. Arrange the cauliflower florets on the baking sheet. Liberally spray them with olive oil and season them with kosher salt and black pepper. Roast the cauliflower for about 12 minutes, until tender-crisp.
  3. Meanwhile, in a large bowl, mix the sour cream, milk, Dijon, garlic, cayenne, and ½ cup cheddar.
  4. When the cauliflower is done, add it to the sour cream mixture and mix to combine. 
  5. Transfer the mixture to a greased 1.5-quart baking dish. Top with the remaining shredded cheddar. Return the baking dish to the oven and bake just until the cheese is melted, for about 10 minutes.
  6. Sprinkle the casserole with the bacon bits and scallions and serve.

Notes

  • Mix in cooked, shredded chicken to turn the casserole into a complete meal. Double the sour cream if you do.
  • You can use frozen cauliflower in this recipe. You can roast it frozen following this recipe, then add it to the sauce. Frozen cauliflower takes longer to roast than fresh cauliflower. You don't need to roast it for the 45 minutes mentioned in the linked recipe because you don't need it browned. But plan on roasting it for around 30 minutes. 
  • Cut the cauliflower head into small, similarly-sized florets. If you use a bag of pre-washed cauliflower florets, you'll notice they are not even in size. Some florets are quite large. It's best to cut those florets into smaller ones before roasting.
  • You can keep the leftovers in an airtight container in the fridge for 3-4 days. Reheat them gently in the microwave at 50% power. I don't recommend freezing this casserole.

Nutrition Information

Show Details
Serving 0.5cup Calories 167kcal (8%) Carbohydrates 7g (2%) Protein 8g (16%) Fat 12g (18%) Saturated Fat 6g (30%) Sodium 414mg (17%) Fiber 3g (12%) Sugar 2g (4%)

Nutrition Facts

Serving: 6servings

Amount Per Serving

Calories 167 kcal

% Daily Value*

Serving 0.5cup
Calories 167kcal 8%
Carbohydrates 7g 2%
Protein 8g 16%
Fat 12g 18%
Saturated Fat 6g 30%
Sodium 414mg 17%
Fiber 3g 12%
Sugar 2g 4%

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

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