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Easy Sausage and Egg Casserole The Breakfast Game-Changer You Didn’t Know You Needed

Easy Sausage and Egg Casserole

This hearty, cheesy, and protein-packed casserole is the perfect make-ahead breakfast that brings the whole family to the table. Whether it's a busy weekday or a relaxing weekend, this dish turns mornings into a tradition.
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Prep Time 15 minutes
Cook Time 40 minutes
Overnight Chill (optional) 8 hours
Total Time 55 minutes
Servings: 8 servings
Course: Breakfast, Brunch
Cuisine: American
Calories: 410
Ingredients Equipment Method Notes

Ingredients
  

Main Ingredients
  • 1 lb breakfast sausage spicy or mild
  • 10 large eggs
  • 2 cups shredded cheese cheddar, mozzarella, or a mix
  • 1 cup milk
  • 4 cups cubed bread day-old bread works best
  • 1 small onion diced
  • salt & pepper to taste
Optional Add-ins
  • bell peppers chopped
  • spinach chopped
  • mushrooms sliced

Equipment

  • Skillet
  • Mixing Bowl
  • Casserole Dish

Method
 

  1. Preheat your oven to 350°F (180°C). Grease a 9x13 inch casserole dish.
  2. In a skillet over medium heat, brown the sausage. Drain any excess grease and set aside.
  3. In a large bowl, whisk together the eggs, milk, salt, and pepper.
  4. Layer cubed bread, cooked sausage, diced onion, and any optional vegetables into the casserole dish.
  5. Pour the egg mixture evenly over the casserole, making sure all bread is soaked. Top with shredded cheese.
  6. Bake for 35–40 minutes until golden brown and fully set. Let rest 5 minutes before slicing and serving.

Notes

To make ahead, assemble the casserole the night before, cover, and refrigerate. In the morning, bake as directed. This dish is freezer-friendly too – bake first, then cool and freeze for up to 2 months.