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Easy Savory Sausage & Cheese Breakfast Casserole Recipe for Perfect Brunch

easy savory sausage cheese breakfast casserole - featured image

A simple, savory breakfast casserole combining browned sausage, melted cheese, fluffy eggs, and cubed bread for a comforting and crowd-pleasing brunch dish.

Ingredients

Scale
  • 1 pound breakfast sausage (mild or spicy Italian sausage, or ground pork or turkey sausage)
  • 8 large eggs, beaten (room temperature)
  • 1 cup whole milk or 2% milk (240 ml)
  • 1 cup shredded sharp cheddar cheese (about 100 g)
  • 1 cup shredded mozzarella cheese (about 100 g)
  • 4 cups cubed day-old bread (about 8 oz / 225 g; French bread or sturdy white bread)
  • ½ medium onion, finely chopped
  • 2 cloves garlic, minced
  • Salt to taste (about 1 teaspoon)
  • Black pepper to taste (about ½ teaspoon, freshly ground)
  • 1 teaspoon dried thyme or Italian seasoning (optional)

Instructions

  1. Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter or non-stick spray.
  2. Heat a large skillet over medium heat and add the sausage. Break it up with a spatula and cook until browned and cooked through, about 7-8 minutes. Drain excess fat if necessary and transfer cooked sausage to a paper towel-lined plate.
  3. In the same skillet, add chopped onion and sauté for 3-4 minutes until translucent. Add minced garlic and cook for another 30 seconds until fragrant. Remove from heat.
  4. In a large mixing bowl, whisk together the eggs and milk until fully combined. Season with salt, black pepper, and dried thyme or Italian seasoning if using.
  5. Add cubed bread, cooked sausage, sautéed onions, and garlic to the egg mixture. Stir in shredded cheddar and mozzarella cheese until everything is evenly coated.
  6. Pour the mixture into the prepared baking dish and spread it out evenly. Press down gently to ensure the bread soaks up the egg mixture well.
  7. Bake for 40-45 minutes, or until the top is golden brown and a knife inserted in the center comes out clean. The eggs should be set but still moist.
  8. Let the casserole cool for about 5 minutes before slicing to help it firm up and make serving easier.

Notes

Use day-old bread to prevent sogginess; room temperature eggs yield fluffier texture. Browning sausage well adds depth of flavor. Rest casserole 5 minutes before serving for easier slicing. For overnight prep, assemble and refrigerate covered, then bake with 10 extra minutes. Tent with foil if browning too fast to avoid drying out.

Nutrition

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