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Cozy Sausage and Egg Breakfast Casserole

cozy sausage and egg breakfast casserole - featured image

A warm, filling, and easy-to-make breakfast casserole featuring browned sausage, fluffy eggs, and melty cheddar cheese baked with day-old bread for a comforting morning meal.

Ingredients

Scale
  • 1 pound ground breakfast sausage
  • 8 large eggs, room temperature
  • 1 cup milk (whole or 2%)
  • 1 ½ cups shredded sharp cheddar cheese
  • 4 cups day-old bread, cubed (about 200g)
  • 1 small yellow onion, finely chopped
  • 2 garlic cloves, minced
  • Salt to taste (about 1 teaspoon)
  • Freshly ground black pepper to taste (about ½ teaspoon)
  • 2 tablespoons fresh parsley or chives, chopped (optional)
  • 1 tablespoon butter or cooking oil

Instructions

  1. Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish lightly with butter or non-stick spray.
  2. Heat a large skillet over medium heat and add the ground sausage. Break it apart with a spatula and cook, stirring occasionally, until no pink remains and the sausage is browned, about 7-9 minutes. Drain excess fat if needed and transfer sausage to a paper towel-lined plate.
  3. In the same skillet, add butter or oil if needed. Add the chopped onion and sauté for about 4 minutes until soft and translucent. Add minced garlic and cook for another 30 seconds until fragrant. Remove from heat.
  4. Cube the day-old bread into roughly 1-inch pieces and spread evenly in the greased baking dish.
  5. In a large mixing bowl, whisk together the eggs, milk, salt, and pepper until fully combined and slightly frothy.
  6. Evenly distribute the cooked sausage and sautéed onion-garlic mixture over the bread cubes. Sprinkle half of the shredded cheddar cheese on top.
  7. Pour the egg mixture evenly over everything, pressing down lightly with a spatula to help the bread soak up the custard.
  8. Scatter the remaining cheddar cheese over the casserole for a golden crust.
  9. Bake uncovered in the preheated oven for 35-40 minutes until the casserole puffs up, the top is golden brown, and a knife inserted in the center comes out clean.
  10. Let the casserole rest for 5-10 minutes before slicing. Garnish with fresh chopped parsley or chives if desired.

Notes

Use day-old bread to prevent sogginess. Brown sausage thoroughly for best flavor. If top browns too fast, tent with foil midway through baking. For dairy-free, swap milk and cheese with alternatives. For gluten-free, use gluten-free bread or substitute with cooked potatoes.

Nutrition

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