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5.0 from 30 votes

Broccoli Cauliflower Casserole

This cheesy casserole is a low-carb twist on your favorite comfort food that the whole family will enjoy.

Prep Time
10 mins
Cook Time
10 mins
Total Time
40 mins
Servings: 5
Calories: 355 kcal
Course: Side Dish , Main Course
Cuisine: American

Ingredients

  • 3 cups broccoli florets
  • 2 cups cauliflower florets
  • 1 tablespoon unsalted butter OR ghee
  • 1 medium onion diced
  • 2 cloves garlic minced
  • 6 ounces cream cheese cubed, at room temperature
  • 1/3 cup heavy cream
  • 1 teaspoon Dijon mustard
  • 1/2 teaspoon salt
  • 1/2 teaspoon ground black pepper
  • 8 ounces shredded white cheddar cheese, divided
  • 3 ounces mozzarella cheese

Instructions

    Cup of Yum
  1. Preheat oven to 400 degrees F. Butter an 8x8 casserole dish and set aside.
  2. Bring a large pot of water to a rolling boil; add the broccoli and cauliflower and blanch for 1 minute, then drain well.
  3. Melt butter in a deep skillet over medium heat. Saute onion 3-4 minutes, then add the garlic.
  4. Stir in the cream cheese until melted, and then stir in the heavy cream, mustard, salt, pepper, half of the cheddar, and the mozzarella. Once the cheese is melted, stir in the broccoli & cauliflower.
  5. Pour the contents into the prepared dish and top with the remaining cheddar. Bake uncovered 20-25 minutes, until cheese is bubbling and golden.

Notes

  • SUBSTITUTIONS
  • STORAGE:
  • You can use all broccoli or all cauliflower instead of a mix.
  • Cream Cheese: This helps give this dish the creamy cheesy texture. You can substitute for mascarpone or even cottage cheese, but the texture and flavor of the casserole will be different.
  • Heavy Cream: Use whole milk instead, if needed.
  • Store in the refrigerator covered for up to 3 days. 
  • To freeze, store the uncooked casserole in a freezer safe container, making sure it is wrapped well or has an airtight cover. Store for up to 3 months. Then bake the casserole at 400 degrees for 30 to 35 minutes, or until cooked through. 
  • To reheat, cover with foil and heat in the oven at 350 degrees F. Reheat for 20 to 25 minutes or until heated through. 

Nutrition Information

Calories 355kcal (18%) Carbohydrates 9.4g (3%) Protein 15.3g (31%) Fat 29g (45%) Saturated Fat 17g (85%) Cholesterol 95mg (32%) Sodium 570mg (24%) Potassium 405mg (12%) Fiber 3g (12%) Sugar 4g (8%)

Nutrition Facts

Serving: 5Serving

Amount Per Serving

Calories 355

% Daily Value*

Calories 355kcal 18%
Carbohydrates 9.4g 3%
Protein 15.3g 31%
Fat 29g 45%
Saturated Fat 17g 85%
Cholesterol 95mg 32%
Sodium 570mg 24%
Potassium 405mg 9%
Fiber 3g 12%
Sugar 4g 8%

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