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Creamy Chicken and Spinach Casserole

A rich and cheesy low-carb casserole featuring tender chicken and spinach in a garlic cream sauce, topped with melted mozzarella.
Print Recipe
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American, Keto
Calories: 450
Ingredients Equipment Method Notes

Ingredients
  

Casserole Base
  • 3 cups cooked chicken breast shredded or cubed
  • 5 cups fresh spinach or 10oz frozen, squeezed dry
  • 1 tbsp olive oil for sautéing spinach
Cream Sauce
  • 8 oz cream cheese softened
  • 0.25 cup mayonnaise
  • 0.25 cup sour cream
  • 0.25 cup heavy cream
  • 3 cloves garlic minced
  • 0.5 cup Parmesan cheese grated
  • 0.5 tsp red pepper flakes optional
  • 1 tsp salt to taste
  • 0.5 tsp black pepper
Topping
  • 1.5 cups mozzarella cheese shredded, divided

Equipment

  • 9x13 Baking Dish
  • Large mixing bowl
  • Hand mixer
  • Skillet

Method
 

  1. Preheat oven to 375°F (190°C). Grease a 9x13 inch baking dish.
  2. If using fresh spinach, sauté in olive oil until wilted. If using frozen, thaw and squeeze very dry.
  3. In a large bowl, beat cream cheese, mayo, sour cream, heavy cream, garlic, parmesan, salt, pepper, and red pepper flakes until smooth.
  4. Fold in the cooked chicken, prepared spinach, and half of the mozzarella cheese.
  5. Transfer mixture to the baking dish and spread evenly.
  6. Top with the remaining mozzarella cheese.
  7. Bake for 20-25 minutes until bubbly and golden brown.
  8. Let rest for 5-10 minutes before serving.

Notes

Ensure spinach is very dry to prevent a watery sauce.