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Fluffy Sausage and Egg Casserole

fluffy sausage and egg casserole - featured image

This easy breakfast casserole features fluffy eggs, savory sausage, sharp cheddar cheese, and cubes of bread, all baked to golden perfection. It’s a comforting, crowd-pleasing dish perfect for brunch, holidays, or busy mornings.

Ingredients

Scale
  • 10 large eggs, room temperature
  • 1 cup whole milk (or almond/oat milk)
  • 1/4 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 pound breakfast sausage (pork, turkey, or chicken)
  • 1/2 teaspoon dried thyme or Italian seasoning (optional)
  • 1 1/2 cups shredded sharp cheddar cheese (or cheddar/Monterey Jack blend)
  • 4 cups cubed bread (day-old sandwich bread, sourdough, or gluten-free)
  • 1/2 cup diced bell peppers (optional)
  • 1/2 cup chopped green onions (optional)
  • 1 cup chopped baby spinach or kale (optional)

Instructions

  1. Preheat oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish with butter or cooking spray.
  2. Cube the bread into bite-sized pieces and set aside. Dice any optional veggies.
  3. Heat a skillet over medium-high. Add sausage and crumble with a spatula until fully cooked and lightly browned (about 7-8 minutes). Drain excess fat if needed. Stir in herbs or seasoning, then remove from heat.
  4. In a large bowl, whisk together eggs, milk, baking powder, salt, and pepper until light and frothy (about 1 minute by hand or 30 seconds with a mixer).
  5. Spread cubed bread evenly in the prepared baking dish. Sprinkle browned sausage over bread, followed by cheese and any optional veggies. Pour egg mixture over everything, pressing down gently to soak all bread.
  6. Bake uncovered for 40-45 minutes, until puffed and golden. If the top browns too quickly, cover loosely with foil for the last 10 minutes.
  7. Let casserole rest for 10 minutes before slicing and serving.

Notes

For extra fluffiness, use room temperature eggs and don’t skip the baking powder. Day-old bread works best for texture. You can prep everything the night before and bake in the morning. For gluten-free or vegetarian versions, use GF bread or plant-based sausage. Letting the casserole rest after baking is crucial for neat slices and perfect texture.

Nutrition

Keywords: breakfast casserole, sausage and egg casserole, fluffy eggs, brunch, easy breakfast, make-ahead, comfort food, holiday breakfast, gluten-free option, vegetarian option