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Biscuit Breakfast Casserole

Savory biscuit breakfast casserole with sausage cheese and peppers

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This savory bake pairs fluffy biscuits with sausage, cheese, and a rich egg custard for the ultimate cozy meal. It is perfect for a crowd or a slow weekend brunch, and comes together in one pan with minimal effort. The dish is endlessly adaptable and always disappears fast.

Ingredients

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  • 1 pound breakfast sausage, mild or spicy
  • 1 small yellow onion, diced
  • 1 red bell pepper, diced
  • 6 large eggs
  • 1 cup whole milk
  • 1/2 cup heavy cream
  • 1 teaspoon dry mustard powder
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon smoked paprika
  • Salt and freshly ground black pepper to taste
  • 1 (16.3 oz) can refrigerated flaky biscuits (8 count)
  • 2 cups shredded sharp cheddar cheese, divided
  • 1/4 cup chopped fresh chives or green onions, for garnish

Instructions

  1. Preheat oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish.
  2. In a large skillet over medium heat, cook sausage, breaking it up, until no longer pink. Add onion and bell pepper; cook 5-7 minutes until softened. Drain excess grease.
  3. In a large bowl, whisk eggs, milk, cream, dry mustard, garlic powder, smoked paprika, salt, and pepper until smooth.
  4. Spread sausage mixture in prepared dish. Sprinkle with 1 1/2 cups cheese. Pour egg mixture evenly over top.
  5. Cut each biscuit into quarters. Scatter biscuit pieces evenly over the casserole.
  6. Sprinkle remaining 1/2 cup cheese over biscuits. Bake 35-40 minutes until biscuits are golden, cheese is bubbly, and center is set.
  7. Let rest 5-10 minutes. Garnish with chives before serving.

Notes

For a make-ahead option, assemble the casserole, cover, and refrigerate overnight before baking. Add 5-10 minutes to bake time if starting from cold. Drain sausage well to prevent sogginess. Letting the casserole rest is key for clean slices.

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