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baked dish with broccoli and cauliflower with melted cheese on top

Broccoli and Cauliflower Casserole

This Easy, healthy and cheesy Broccoli and Cauliflower Casserole Recipe and so easy to make and is the perfect dish for any meal! Made without condensed soup, loaded with healthy vegetables, and made in under 30 minutes, this creamy and cheesy casserole will become a household favourite. It's also low-carb, keto and gluten-free. 
Course dinner, Main Course
Cuisine American
Keyword broccoli and cauliflower, broccoli and cauliflower casserola
Prep Time 10 minutes
Cook Time 15 minutes
0 minutes
Total Time 25 minutes
Servings 6 people
Calories 405kcal



  • Adjust the oven rack to the middle position, and preheat oven to 425°F.
  • Steam the head of cauliflower and broccoli by filling a large pot with about 2 cups of water and place a steamer basket in the bottom. Bring the water to a boil. Add the cauliflower and broccoli florets into the steamer basket. Cover the pot and steam until for about 5 minutes.
  • Meanwhile, in a large bowl add cooked chicken, cream cheese, half-half cream, mozzarella, garlic powder, onion powder, salt and freshly ground black pepper. Mix everything together to combine.
  • Remove the cauliflower and broccoli from the heat and place in the cream cheese mixture bowl. It’s not necessary to let the cauliflower and broccoli cool down. They’ll help to melt the cheese.
  • Spoon the cauliflower and broccoli mixture into an oiled casserole dish and top with remaining mozzarella cheese. Bake uncovered for 10-15 minutes or until the cheese is melted.
  • If you prefer your dish to be a little bit browned on the top, you can turn the broiler on high for the final 3 minutes and broil it. Keep a close eye on it, so that it does not burn.



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  • You can use any part of the chicken without bone and skin.
  • You can broil the casserole for a couple of minutes to get the cheese to be more golden.
  • Shredding cheese from a block will yield a smoother melty cheese than pre-shredded cheese. 
  • To store: You can tightly wrap the casserole, once cooled, and store it in the fridge for up to 3 days.
  • To reheat: Reheat the casserole in the oven until warmed through. You can also reheat it in the microwave. 
  • To freeze: Tightly wrap the casserole and freeze for up to 3 months. 


Serving: 1/6 | Calories: 405kcal | Carbohydrates: 15g | Protein: 25g | Fat: 27g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Cholesterol: 48mg | Sodium: 436mg | Potassium: 826mg | Fiber: 6g | Sugar: 7g