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biscuit and gravy casserole in a 9x12 baking pan on a cutting board with a plaid napkin

Easy Biscuits and Gravy Casserole

This easy biscuits and gravy casserole is a cozy, make-ahead breakfast made from scratch with fluffy biscuits, creamy sausage gravy, and eggs. Perfect for family mornings, weekends, or holidays when you want something hearty and comforting with minimal effort.
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Prep Time:15 minutes
Cook Time:45 minutes
Total Time:1 hour
Course: Breakfast, Brunch
Cuisine: American
Keyword: biscuits and gravy casserole, easy breakfast casserole
Servings: 6 Servings

Ingredients

Biscuits

  • 1 16-ounce can refrigerated biscuits, cut into bite-sized pieces or homemade biscuit dough cut into pieces

Sausage Gravy

  • 1 lb breakfast sausage pork or turkey
  • 3 tbsps butter optional
  • ¼ cup all-purpose flour
  • 2½ cups whole milk
  • ½ tsp salt
  • ½ tsp black pepper
  • ¼ tsp garlic powder optional
  • ¼ tsp onion powder optional

Egg Mixture

  • 6 large eggs
  • ½ cup milk or heavy cream
  • ¼ tsp salt
  • ¼ tsp black pepper

Optional

  • 1½ cups shredded cheddar or Colby Jack cheese

Instructions

  1. Preheat the oven to 375°F and grease a 9×13-inch baking dish.
  2. Spread biscuit pieces evenly in the baking dish and bake for 10 minutes, just until lightly set.
  3. Meanwhile, cook the sausage in a large skillet over medium heat until fully browned.
  4. Add butter if needed, then sprinkle flour over the sausage and stir for 1 minute. Slowly pour in the milk, stirring constantly, and bring to a slight boil and simmer until the gravy thickens. Season with salt, pepper, and optional seasonings.
  5. In a bowl, whisk together eggs, milk or cream, salt, and pepper.
  6. Pour the egg mixture evenly over the par-baked biscuits. Spoon the sausage gravy over the top and gently spread. Sprinkle with cheese if using.
  7. Bake uncovered for 30–35 minutes, or until the center is set and the top is lightly golden.
  8. Let rest for 5–10 minutes before slicing and serving.

Notes

  • Make-Ahead: Assemble the casserole, cover tightly, and refrigerate overnight. Bake the next morning, adding 5–10 extra minutes if needed.
  • Storage: Store leftovers covered in the refrigerator for up to 4 days.
  • Reheating: Reheat individual portions in the microwave or cover and warm in a 350°F oven.
  • Freezer-Friendly: Freeze fully baked and cooled casserole for up to 2 months. Thaw overnight before reheating.