How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Broccoli-Cauliflower Chicken Casserole?

You need 14 ingredients. The key ingredients include: 2 pounds boneless skinless chicken breasts, cut into 1-inch pieces, 1 small head cauliflower, chopped (about 4 cups), 1 bunch broccoli, chopped (about 4 cups), 1/2 pound medium fresh mushrooms, chopped, and more.

Is Broccoli-Cauliflower Chicken Casserole suitable as meat & poultry?

Yes, Broccoli-Cauliflower Chicken Casserole falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Broccoli-Cauliflower Chicken Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Broccoli-Cauliflower Chicken Casserole Recipe

Name: Broccoli-Cauliflower Chicken Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 pounds boneless skinless chicken breasts, cut into 1-inch pieces; 1 small head cauliflower, chopped (about 4 cups); 1 bunch broccoli, chopped (about 4 cups); 1/2 pound medium fresh mushrooms, chopped; 1 large onion, chopped; 2 medium carrots, finely chopped; 1 cup reduced-sodium chicken broth; 4 ounces cream cheese, softened; 2 tablespoons olive oil; 2 teaspoons dried sage leaves; 1 teaspoon salt; 1/2 teaspoon pepper; 1 cup shredded cheddar cheese; Hot cooked brown rice

Try this homemade Broccoli-Cauliflower Chicken Casserole recipe the whole family will love. Made with chicken breasts, cauliflower, broccoli and fresh m…

This Broccoli-Cauliflower Chicken Casserole relies on simple, everyday ingredients such as large onion, chopped, reduced-sodium chicken broth, cream cheese, softened and olive oil. It comes together quickly and makes 4 servings, at about 801 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Meat & Poultry

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Broccoli-Cauliflower Chicken Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions