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Easy Make-Ahead Sausage Egg and Cheese Breakfast Casserole

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A quick and forgiving breakfast casserole combining savory sausage, fluffy eggs, and melted cheese, perfect for busy mornings and make-ahead meal prep.

Ingredients

Scale
  • 1 pound ground pork sausage (or turkey sausage for lighter option)
  • 10 large eggs, room temperature
  • 1 cup whole milk (240 ml; 2% or dairy-free milk like almond can be used)
  • 2 cups shredded sharp cheddar cheese (about 200 g; Monterey Jack as alternative)
  • 4 cups cubed day-old bread (about 6–7 slices, crusts removed; white or whole wheat)
  • ½ cup finely chopped onion (yellow or white)
  • 1 teaspoon garlic powder
  • 1 teaspoon salt (adjust to taste)
  • ½ teaspoon freshly ground black pepper
  • Butter or cooking spray (to grease casserole dish)

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. Heat a skillet over medium heat, add ground sausage and cook, breaking it up with a spatula until fully browned and cooked through (about 6-8 minutes). Drain excess fat if needed and set aside.
  3. In the same skillet, add chopped onions and cook for 3-4 minutes until soft and translucent.
  4. Cut day-old bread into 1-inch cubes. If using fresh bread, toast lightly to firm up.
  5. In a large mixing bowl, whisk together eggs, milk, garlic powder, salt, and pepper until combined and slightly frothy (about 1 minute).
  6. Add browned sausage, sautéed onions, shredded cheese, and cubed bread into the egg mixture. Gently fold until bread is coated but not falling apart.
  7. Grease a 9×13-inch casserole dish with butter or cooking spray.
  8. Pour the mixture evenly into the casserole dish and press down gently to help bread soak the liquid.
  9. Bake uncovered for 45-50 minutes until puffed and golden brown on top. A knife inserted in the center should come out clean.
  10. Remove from oven and let rest for 5-10 minutes before cutting and serving.

Notes

Use day-old bread for best texture; fresh bread should be toasted lightly. Do not overmix the egg mixture with bread to avoid mushiness. Brown sausage thoroughly to avoid greasiness. For make-ahead, assemble the night before, refrigerate covered, and add 10-15 minutes to baking time. Tent with foil if top browns too quickly.

Nutrition

Keywords: breakfast casserole, sausage casserole, make-ahead breakfast, egg casserole, cheesy breakfast, easy breakfast recipe, meal prep breakfast

Find it online: https://gleefulfork.com/easy-make-ahead-sausage-egg-and-cheese-breakfast-casserole-recipe-for-busy-mornings/