Sausage Breakfast Casserole: A Hearty Make-Ahead Breakfast Favorite

Last Updated on November 6, 2025 by Chef Josie

If you’re looking for a breakfast that’s hearty, comforting, and perfect for feeding a crowd, this Sausage Breakfast Casserole delivers every time. Made with fluffy eggs, savory sausage, melted cheese, and a tender base, it’s the ultimate all-in-one morning dish.

Whether you’re preparing for Christmas morning, a weekend brunch, or a cozy family breakfast, this casserole makes life easier and tastier. The best part? You can prepare it the night before and bake it fresh in the morning. It’s warm, satisfying, and loved by both kids and adults alike.

A slice of sausage breakfast casserole topped with melted cheddar and crumbled sausage on a white plate.
A slice of sausage breakfast casserole topped with melted cheddar and crumbled sausage on a white plate.

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This hearty sausage breakfast casserole is loaded with fluffy eggs, melted cheese, and savory sausage—perfect for cozy mornings or holiday brunch.

Sausage Breakfast Casserole


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  • Author: Chef Josie
  • Total Time: 1 hour
  • Yield: 8 servings 1x

Description

A hearty, cheesy casserole made with eggs, sausage, and bread or hashbrowns. Perfect for make-ahead breakfasts, holidays, or weekend brunches.


Ingredients

Scale
  • 1 lb ground sausage

  • 6 eggs

  • 2 cups milk

  • 1½ cups cheddar cheese

  • 4 cups bread cubes or hashbrowns

  • ½ tsp salt

  • ¼ tsp pepper


Notes

Use day-old bread for better texture.

Add veggies for color and nutrition.

Assemble ahead and refrigerate overnight.

Substitute hashbrowns for a potato-based version.

  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Breakfast, Brunch
  • Cuisine: American

Nutrition

  • Calories: 360 kcal per serving

Why You’ll Love This Sausage Breakfast Casserole

  • Perfect for gatherings: Feeds a crowd effortlessly.
  • Make-ahead friendly: Assemble the night before for a stress-free morning.
  • Simple ingredients: Everyday pantry staples come together fast.
  • Comforting and filling: Protein-rich and full of flavor.
  • Versatile: Works with sausage, bacon, ham, or veggies.

Ingredients

  • 1 lb ground breakfast sausage
  • 6 large eggs
  • 2 cups milk
  • 1½ cups shredded cheddar cheese
  • 4 cups cubed bread (or frozen hashbrowns)
  • ½ tsp salt
  • ¼ tsp pepper
  • Optional: ½ tsp garlic powder or onion powder

Instructions

  1. Cook sausage: In a skillet, brown sausage until cooked through. Drain grease and set aside.
  2. Prepare base: Layer bread cubes (or hashbrowns) evenly in a greased 9×13-inch baking dish.
  3. Add sausage and cheese: Sprinkle cooked sausage and shredded cheddar evenly over the bread.
  4. Mix eggs: Whisk eggs, milk, salt, pepper, and seasonings together. Pour over the casserole.
  5. Bake: Bake uncovered at 350°F (175°C) for 40–45 minutes, until golden and set.
  6. Serve: Let cool slightly before slicing and serving warm.
Freshly baked sausage breakfast casserole in a glass dish topped with melted cheese and browned sausage.
Freshly baked sausage breakfast casserole in a glass dish topped with melted cheese and browned sausage.

Notes and Top Tips

  • Use day-old bread for the best texture; it absorbs the egg mixture without getting soggy.
  • Add veggies like bell peppers, onions, or spinach for color and flavor.
  • Want a cheesy top? Add an extra sprinkle of cheddar before baking.
  • Make it overnight: Assemble, cover, and refrigerate. Bake in the morning for an easy breakfast.
This hearty sausage breakfast casserole is loaded with fluffy eggs, melted cheese, and savory sausage—perfect for cozy mornings or holiday brunch.
This hearty sausage breakfast casserole is loaded with fluffy eggs, melted cheese, and savory sausage, perfect for cozy mornings or holiday brunch.

Serving Suggestions and Variations

This Sausage Breakfast Casserole is perfect for holiday breakfasts, Sunday brunches, or busy weekdays. Pair it with fresh fruit, pancakes, or cinnamon rolls for a full spread.

Variations:

  • Sausage Hashbrown Casserole: Swap bread for hashbrowns and top with extra cheese.
  • Low-Carb Version: Skip the bread and add more eggs and veggies.
  • Spicy Sausage Casserole: Use hot Italian sausage and pepper jack cheese.
  • Veggie-Packed: Add sautéed spinach, mushrooms, or zucchini for a lighter touch.

Storage and Reheating Tips

  • Refrigerate: Store leftovers covered for up to 4 days.
  • Freeze: Wrap tightly and freeze up to 2 months. Thaw overnight before baking or reheating.
  • Reheat: Microwave individual portions or reheat in the oven at 325°F (160°C) until warm.
  • Make ahead: Assemble the night before and bake straight from the fridge.

Why You’ll Make It Again

This Sausage Breakfast Casserole is comfort food done right: warm, satisfying, and customizable. It’s the perfect balance of hearty eggs, flavorful sausage, and creamy melted cheese.

Whether you serve it for Christmas brunch, a family gathering, or a quick weekday breakfast, it’s guaranteed to become a go-to recipe. One bite, and everyone will be asking for seconds and for the recipe.

FAQs

1. Can I make this sausage breakfast casserole the night before?
Yes, assemble it, cover, and refrigerate overnight. Bake in the morning for fresh flavor and texture.

2. Can I use pre-cooked or turkey sausage?
Absolutely. Turkey or chicken sausage works great and lightens it up.

3. Can I use hashbrowns instead of bread?
Yes, substitute 4 cups of thawed hashbrowns for a delicious potato-based version.

4. How do I know when it’s done baking?
The casserole should be golden brown, and the center should be set, no jiggling when shaken.

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