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A plated serving of turkey and Gruyère casserole, garnished with fresh parsley. A forkful of the cheesy, savory casserole is lifted, showing the tender turkey and creamy texture inside, ready to be enjoyed.

Keto Turkey Casserole Recipe

This Keto Turkey Casserole is a cheesy, creamy, and protein-packed meal, perfect for meal prep or post-holiday leftovers. It's low-carb, rich in flavor, and ready in 56 minutes!
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Prep Time 15 minutes
Cook Time 41 minutes
Total Time 56 minutes
Servings: 6
Course: Main Course
Cuisine: American, keto
Calories: 331.05
Ingredients Equipment Method

Ingredients
  

  • 1 tablespoon olive oil
  • ½ onion diced
  • 2 stalks celery finely diced
  • 4 ounces sliced mushrooms
  • 1 teaspoon minced garlic
  • 1 tablespoon fresh diced sage or chopped parsley
  • ¼ teaspoon cayenne pepper
  • Salt and pepper
  • 4 cups cooked turkey chopped
  • 2 eggs beaten
  • ½ cup heavy cream
  • 6 ounces Gruyere cheese shredded

Equipment

  • Large skillet
  • Mixing bowl
  • Whisk
  • Baking dish (8x8 or similar)
  • Cheese grater
  • Oven

Method
 

  1. Preheat the oven to 375°F (190°C) and grease a baking dish.
  2. Sauté the veggies – heat olive oil in a skillet, add onions, celery, and mushrooms, and cook until softened. Add garlic, sage, cayenne, salt, and pepper.
    A skillet sizzling with diced onions, celery, and sliced mushrooms being sautéed in olive oil. The vegetables are softened and fragrant, with minced garlic and fresh sage being stirred in for extra flavor.
  3. Combine the turkey – mix the cooked turkey with the sautéed vegetables in a bowl.
    A large mixing bowl filled with chopped cooked turkey, sautéed vegetables, and freshly shredded Gruyère cheese, ready to be combined. A wooden spoon is stirring the ingredients together, evenly coating them with melted cheese.
  4. Whisk the sauce – beat the eggs with heavy cream in a bowl, then stir into the turkey mixture.
    A smooth and creamy whisked mixture of eggs and heavy cream in a glass bowl, with visible flecks of seasoning. A hand is pouring it gently into the turkey and vegetable mixture, ensuring a rich and cohesive texture.
  5. Fold in the cheese – mix in shredded Gruyère and transfer everything to the baking dish.
    A baking dish filled with the turkey mixture, evenly spread out. Freshly shredded Gruyère cheese is being sprinkled generously over the top, creating a thick, cheesy layer before it goes into the oven.
  6. Bake for 20–25 minutes until golden brown and bubbly.
    The casserole fresh out of the oven, golden brown on top with bubbly, melted Gruyère cheese. The edges are slightly crisp, and the dish looks warm, creamy, and irresistibly cheesy.
  7. Rest for 5 minutes, then serve warm.
    A plated serving of turkey and Gruyère casserole, garnished with fresh parsley. A forkful of the cheesy, savory casserole is lifted, showing the tender turkey and creamy texture inside, ready to be enjoyed.