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Easy Crustless Breakfast Casserole with Sausage and Cheese

crustless breakfast casserole - featured image

This crustless breakfast casserole is packed with savory sausage, gooey cheddar, and fluffy eggs. It’s a simple, crowd-pleasing dish perfect for holidays, lazy Sundays, or breakfast for dinner.

Ingredients

Scale
  • 1 pound breakfast sausage
  • 12 large eggs
  • 1 cup whole milk
  • 2 cups shredded cheddar cheese
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon garlic powder (optional)
  • 1/4 cup chopped green onions (for garnish)

Instructions

  1. Preheat your oven to 350°F (175°C). Spray a 9×13-inch baking dish with non-stick cooking spray and set aside.
  2. Brown the sausage in a large skillet over medium-high heat, breaking it up with a wooden spoon, until cooked through (about 6-8 minutes). Leave about a tablespoon of fat in the pan for flavor. Transfer sausage to a plate and let cool slightly.
  3. In a large mixing bowl, whisk together eggs, milk, salt, pepper, and garlic powder (if using) until uniform and slightly frothy, about 1 minute.
  4. Spread the cooked sausage evenly across the bottom of the prepared baking dish.
  5. Sprinkle 1 1/2 cups of shredded cheddar over the sausage. Reserve the remaining 1/2 cup for the top.
  6. Slowly pour the egg mixture over the sausage and cheese. Tilt the dish gently to spread evenly. Do not stir.
  7. Sprinkle the reserved 1/2 cup of cheddar over the top.
  8. Bake for 35-40 minutes, until the center is set and no longer jiggly, and a knife inserted into the center comes out clean. If the top browns too quickly, tent loosely with foil for the last 10 minutes.
  9. Let the casserole rest for 5-10 minutes before slicing. Garnish with chopped green onions and serve warm.

Notes

For best results, use room temperature eggs and whole milk. Shred cheese from a block for smoother melting. Let sausage cool before layering to prevent curdling. If making ahead, assemble the night before and refrigerate; add 5-10 minutes to baking time. For a keto adaptation, replace milk with unsweetened almond milk or heavy cream and add 1/4 cup softened cream cheese.

Nutrition

Keywords: crustless breakfast casserole, sausage and cheese casserole, easy breakfast casserole, holiday breakfast, make-ahead breakfast