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Chicken Broccoli Alfredo Bake

  • Author: Erin
  • Prep Time: 15 minutes
  • Cook Time: 50 minutes
  • Total Time: 1 hour 5 minutes
  • Yield: 4-6 servings 1x
  • Category: Dinner
  • Method: Oven
  • Cuisine: American


Chicken Broccoli Alfredo Bake – a delicious and flavorful dinner casserole that is dairy-free, gluten-free, Whole30 and Paleo!


  • 3 chicken breasts, boneless and skinless
  • salt and pepper
  • olive oil
  • 2 cup broccoli florets
  • 24 cups spaghetti squash, cooked (you can actually under-cook the spaghetti squash a little since it will also be baked for a little while)
  • Approx. 2 cups of alfredo sauce (or you can use store-bought)


  1. Preheat oven to 375.
  2. Place chicken breasts in 10.5 x 7.5 casserole pan. Drizzle with a olive oil and sprinkle lightly with salt and pepper.
  3. Bake for 15 minutes.
  4. Remove and add broccoli. Return to oven for 15 more minutes (or until chicken is fully cooked – internal temp of 165. I recommend using an internal meat thermometer).
  5. Remove from oven and place chicken breasts on a large plate to rest for 5 minutes. Then cut into 1 inch pieces.
  6. Add spaghetti squash, chicken, Alfredo sauce into the casserole dish along with the broccoli and mix together.
  7. Place back into the oven for 20-30 or minutes, or until bubbly.
  8. Remove and serve immediately.


Keywords: Chicken Broccoli Alfredo Bake