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The Best Broccoli Cheese Casserole Recipe (One-Dish Wonder!)

This Broccoli Cheese Rice Casserole delivers the ultimate comfort food satisfaction in just 50 minutes. Packed with tender broccoli florets, perfectly seasoned rice, and rich melted cheddar cheese, it’s a crowd-pleasing dish that’s perfect for both weeknight dinners and holiday gatherings.
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Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings: 6 -8 servings
Course: Casserole
Cuisine: American
Calories: 320
Ingredients Method Notes

Ingredients
  

  • 2 cups cooked rice day-old preferred, or substitute brown rice, quinoa, or cauliflower rice
  • 2 cups broccoli florets fresh or frozen
  • 1 can cream of mushroom soup or cream of celery/broccoli as alternative
  • 1 cup shredded cheddar cheese sharp or mild
  • 1/2 cup milk whole, 2%, or unsweetened plant-based milk
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • Salt and pepper to taste

Method
 

  1. Preheat oven to 350°F (175°C) and grease a 9x13-inch baking dish with butter or cooking spray. Allow oven to preheat fully for consistent baking results.
  2. In a large mixing bowl, combine cooked rice, broccoli florets, cream of mushroom soup, milk, garlic powder, onion powder, salt, and pepper. Stir until evenly mixed and creamy.
  3. Reserve 1/2 cup of cheese for topping, and fold the remaining cheese into the mixture for cheesy goodness throughout.
  4. Spread mixture evenly into the prepared baking dish and top with the reserved cheese.
  5. Bake uncovered for 30–35 minutes until hot, bubbly, and golden. Let rest for 5 minutes before serving to allow flavors to set.

Notes

Use day-old rice for the best texture and avoid overcooking broccoli to keep it tender-crisp. For extra protein, mix in cooked chicken or turkey. This casserole also freezes beautifully, making it a great make-ahead meal for busy weeks.