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Close-up of a vibrant gluten-free casserole served on a wooden board.

35+ Delicious Sunday Gluten-Free Casserole Recipes for Your Dinner

A hearty and gluten-free casserole perfect for a cozy Sunday dinner, combining tender chicken, broccoli, and cheesy goodness.
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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings: 6 servings
Course: Main Course
Cuisine: American
Calories: 450
Ingredients Method Notes

Ingredients
  

Protein
  • 2 cups cooked, shredded chicken rotisserie chicken works well
  • 4 cups broccoli florets steamed until just tender
  • 1 cup cooked quinoa or brown rice gluten-free
Dairy
  • 1 cup shredded cheddar cheese
  • 1/2 cup sour cream
  • 1/2 cup chicken broth low-sodium
Spices & Seasonings
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • to taste Salt and black pepper
Toppings
  • 1/2 cup gluten-free bread crumbs optional, for topping
  • 1 tablespoon olive oil

Method
 

  1. Preheat oven to 375°F (190°C) and grease a 9×13-inch baking dish.
  2. Mix chicken, broccoli, quinoa, cheese, sour cream, broth, garlic, and onion in a bowl. Season with salt and pepper.
  3. Transfer mixture to dish, top with bread crumbs and extra cheese if desired.
  4. Bake for 25-30 minutes until golden and bubbling. Cool for 5 minutes before serving.

Notes

Use rotisserie chicken for convenience and add extra cheese on top for more flavor.