Day-After-Thanksgiving Breakfast Casserole

This breakfast casserole is a delicious way to repurpose all your Thanksgiving leftovers into one comforting dish. Layers of turkey, stuffing, mashed potatoes, and roasted vegetables come together with a creamy, cheesy egg mixture for a satisfying morning meal that feels indulgent yet familiar.

The secret to this casserole’s success is the balance of textures and flavors achieved by layering leftover stuffing as a slightly crispy base, mashed potatoes in dollops, and turkey with vegetables. The egg custard binds everything, while cheese melts to create a rich, golden crust that enhances every bite.

Ideal for feeding a group after the holiday feast, this casserole stores well and can be reheated for easy breakfasts throughout the week. A 9×13-inch baking dish works perfectly to hold all the layers together, and covering it with foil during baking ensures the casserole stays moist without drying out.

Expect a savory, cheesy flavor profile with smoky hints from paprika and optional bacon or sausage, accented by fresh parsley for brightness. Anyone who loves classic Thanksgiving flavors will appreciate this comforting breakfast that transforms leftovers into a new favorite.

Servings: 8 to 10

Prep Time: 20 minutes

Cook Time: 50 minutes

Total Time: 1 hour 10 minutes

Ingredients

  • 2 cups cooked leftover turkey, shredded or diced
  • 2 cups leftover stuffing or cornbread dressing
  • 1½ cups leftover mashed potatoes
  • 1 cup leftover roasted vegetables, chopped (carrots, green beans, or Brussels sprouts)
  • ½ cup leftover turkey gravy
  • 8 large eggs
  • ¾ cup whole milk
  • ½ cup heavy cream
  • 1½ cups shredded sharp cheddar cheese, divided
  • ½ cup shredded mozzarella cheese
  • ½ cup cooked bacon or breakfast sausage, crumbled (optional)
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • ½ teaspoon black pepper
  • ¼ teaspoon smoked paprika
  • ¼ teaspoon salt, or to taste
  • 2 tablespoons chopped fresh parsley
  • 2 tablespoons melted butter

Instructions:

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