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A traditional breakfast egg casserole, golden brown and freshly baked.

Classic Traditional Breakfast Egg Casserole

This classic breakfast egg casserole combines fluffy eggs, savory sausage, sharp cheddar, and fresh vegetables for a comforting and satisfying meal. Prepare it the night before for an easy morning.
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Prep Time 20 minutes
Cook Time 1 hour
Total Time 1 hour 20 minutes
Servings: 8 slices
Calories: 350
Ingredients Equipment Method Notes

Ingredients
  

Main Ingredients
  • 12 Large Eggs
  • 1 cup Whole Milk
  • 1 cup shredded Cheddar Cheese
  • 4 slices white bread, cubed
  • 1/2 pound cooked breakfast sausage, crumbled
  • 1/2 cup chopped onion
  • 1/2 cup chopped bell pepper (any color)
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • Cooking spray
Equipment

Equipment

  • Skillet
  • 9x13 inch baking dish
  • Large bowl
  • Whisk

Method
 

Preparation
  1. Cook and crumble the breakfast sausage, then sauté the chopped onion and bell pepper until tender-crisp.
  2. Cube the bread into 1-inch pieces and lightly grease a 9x13 inch baking dish.
  3. Spread the cubed bread evenly in the dish, then layer with sausage, onions, bell peppers, and half of the cheddar cheese.
Assemble and Chill
  1. Whisk eggs, milk, salt, and pepper in a large bowl, then pour over the layers in the baking dish and top with remaining cheese.
  2. Cover and refrigerate for 4 hours or overnight to allow the bread to soak.
Baking and Serving
  1. Preheat oven to 350°F (175°C), then remove plastic wrap from the casserole and bake for 45-60 minutes.
  2. Bake until golden brown and a knife inserted into the center comes out clean.
  3. Let the casserole rest for 5-10 minutes before slicing and serving.

Notes

For best results and maximum flavor, chill the casserole overnight to allow the bread to fully absorb the egg mixture. This also makes for an easier morning if you're serving it for breakfast or a brunch gathering.