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Overnight Breakfast Casserole

A hearty and satisfying breakfast casserole that can be prepared the night before, combining eggs, cheese, and your choice of flavorful ingredients.
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Prep Time 20 minutes
Cook Time 50 minutes
Total Time 1 hour 10 minutes
Course Breakfast
Cuisine American
Servings 8 servings

Equipment

  • 9x13-inch Baking Dish
  • Mixing Bowl
  • Whisk
  • Knife
  • Skillet

Ingredients
  

Ingredients

  • 12 large eggs Fresh eggs are essential for the base of your casserole.
  • 2 cups milk Whole milk or 2% milk works best.
  • 1 teaspoon salt Essential for enhancing the flavors.
  • 1/2 teaspoon black pepper Adds a hint of spice.
  • 1 teaspoon garlic powder Infuses the casserole with garlic flavor.
  • 1 teaspoon onion powder Adds savory depth.
  • 8 slices bread Any type of bread can be used.
  • 2 cups shredded cheese Cheddar cheese is popular, but mix in others for flavor.
  • 1 cup diced bell peppers Choose your favorite colors.
  • 1 cup diced onions Provides sweet and savory flavor.
  • 1 cup cooked and crumbled sausage Use your preferred type of sausage.
  • 1 cup diced tomatoes Adds juiciness and brightness.
  • 1/4 cup chopped fresh herbs Options like parsley, chives, or basil.
  • 1 tablespoon cooking spray or butter For greasing the baking dish.

Instructions
 

  • Grease a 9x13-inch baking dish with cooking spray or butter.
  • In a large mixing bowl, crack 12 large eggs and whisk until fully combined.
  • Add 2 cups of milk, salt, black pepper, garlic powder, and onion powder to the eggs and whisk until blended.
  • Cut the bread into cubes and add to the egg mixture, allowing it to soak for 10-15 minutes.
  • Prepare the vegetables and meat by dicing bell peppers, onions, and tomatoes, and cooking the sausage.
  • Fold in the cooked sausage, diced vegetables, and half of the shredded cheese into the egg mixture.
  • Transfer the mixture to the greased baking dish and top with the remaining cheese.
  • Cover with plastic wrap or foil and refrigerate overnight.
  • Preheat the oven to 350°F (175°C) and bake for 45-50 minutes until set and golden brown.
  • Let cool for 5-10 minutes before slicing and serving.

Notes

Feel free to customize with different cheeses, vegetables, or proteins to suit your taste.
Keyword Easy, Make Ahead