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Broccoli cauliflower casserole with melted cheese layer.

Cheesy Broccoli Cauliflower Casserole (Low-Carb)

Julia
Enjoy a cozy, cheesy broccoli cauliflower casserole - made with creamy sauce from scratch, no condensed soup is needed! Perfect as a weeknight side dish that’s sure to satisfy!
5 from 1 vote
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Main Course, Side Dish
Servings 6
Calories 292 kcal

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INGREDIENTS
  

For Casserole

  • 3 tablespoons butter, divided
  • 4 cups broccoli florets, cut into bite sized pieces
  • 4 cups cauliflower florets, cut into bite sized pieces
  • 2 tablespoons all-purpose flour
  • 1 cup milk
  • 3 ounces cream cheese
  • ½ teaspoon smoked paprika
  • ¼ teaspoon salt or to taste
  • ¼ teaspoon black pepper
  • ¼ teaspoon garlic powder
  • ¼ cup sharp cheddar cheese, shredded
  • ¼ cup mozzarella, grated
  • 1 pinch grated nutmeg

Topping

  • ½ cup mild cheddar, or sharp, grated
  • ½ cup mozzarella, grated
  • 2 tablespoon breadcrumbs
  • chopped parsley, for garnish

INSTRUCTIONS
 

  • Preheat the oven to 375°F.
  • In a large pot, boil the cauliflower for 2 minutes, then add the broccoli and cook for another 2 minutes until tender-crisp. Drain well.
    4 cups cauliflower florets, 4 cups broccoli florets
  • In a deep skillet, melt 3 tablespoons of butter. Add the flour and stir until smooth. Gradually whisk in the milk over medium heat until the mixture thickens and starts to bubble.
    3 tablespoons butter, 1 cup milk, 2 tablespoons all-purpose flour
  • Stir in the cream cheese, paprika, salt, nutmeg, pepper, and garlic, then remove from heat. Mix in ¼ cup of cheddar cheese and ¼ cup of mozzarella. Toss this sauce with the cooked broccoli and cauliflower.
    3 ounces cream cheese, ½ teaspoon smoked paprika, ¼ teaspoon salt or to taste, ¼ teaspoon black pepper, ¼ teaspoon garlic powder, ¼ cup mozzarella, 1 pinch grated nutmeg, ¼ cup sharp cheddar cheese
  • Spread the veggie mixture in an even layer in a 2-quart (or 9x9) baking dish. Top with the remaining ½ cup of mozzarella, ½ cup of cheddar, and 2 tablespoons of breadcrumbs.
    ½ cup mild cheddar, ½ cup mozzarella, 2 tablespoon breadcrumbs
  • Bake at 375°F for 20-25 minutes, or until bubbly and heated through. Garnish with parsley. Enjoy!
    chopped parsley

NOTES

  • Storing leftovers: Keep leftovers in an airtight container in the fridge for up to 4 days. Reheat in the oven at 350°F until warmed through.
  • Freezing leftovers: Once cooled, place leftovers in a zippered bag and freeze for up to 2 months.
  • Properly prepare the broccoli and cauliflower before adding them to the casserole. Do not overcook or undercook them, as this can affect the texture of the casserole.
  • Steam instead of boil: If you prefer, you can steam the vegetables instead of boiling.
  • Use frozen veggies if needed: Frozen broccoli and cauliflower work great but cook them just until tender-crisp.

NUTRITION

Serving: 1gCalories: 292kcalCarbohydrates: 24gProtein: 12gFat: 18gSaturated Fat: 10gPolyunsaturated Fat: 2gMonounsaturated Fat: 4gTrans Fat: 0.2gCholesterol: 45mgSodium: 429mgPotassium: 493mgFiber: 3gSugar: 14gVitamin A: 937IUVitamin C: 86mgCalcium: 274mgIron: 1mg
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