Lightning-Fast Sausage Casserole

Featured in: Easy Comfort Recipes

This dish layers browned sausage with sautéed bell peppers and onions over cubed bread, topped with cheddar and an egg-milk mixture, then baked until golden and set. Ready in just over half an hour, it offers a hearty start packed with rich flavors and comforting textures. Variations can include turkey sausage or added greens for freshness. Butter-greased baking ensures easy release and a delicious crust.

Updated on Tue, 25 Nov 2025 13:45:00 GMT
Golden-brown, bubbly Lightning-Fast Breakfast Sausage Casserole, perfect for a satisfying, savory morning meal. Save to Pins
Golden-brown, bubbly Lightning-Fast Breakfast Sausage Casserole, perfect for a satisfying, savory morning meal. | spicra.com

A hearty and flavorful breakfast casserole packed with sausage, eggs, and cheese–perfect for busy mornings and guaranteed to please a crowd.

This casserole has become a staple in my household for weekend breakfasts and holiday brunches.

Ingredients

  • Breakfast sausage: 1 pound (450 g), casings removed
  • Diced bell peppers: 1 cup (120 g), any color
  • Diced onion: 1/2 cup (60 g)
  • Cubed day-old bread: 4 cups (200 g), white or whole wheat
  • Shredded cheddar cheese: 1 1/2 cups (180 g)
  • Eggs: 8 large
  • Milk: 1 1/2 cups (360 ml)
  • Salt: 1/2 teaspoon
  • Black pepper: 1/4 teaspoon
  • Smoked paprika (optional): 1/4 teaspoon
  • Butter: 1 tablespoon, for greasing the baking dish

Instructions

Step 1:
Preheat oven to 375°F (190°C). Grease a 9x13-inch (23x33 cm) baking dish with butter.
Step 2:
In a large skillet over medium heat, cook the sausage, breaking it up with a spoon, until browned and cooked through, about 5 minutes. Drain excess fat if needed.
Step 3:
Add diced bell peppers and onion to the skillet. Sauté for 2 3 minutes until slightly softened.
Step 4:
Spread cubed bread evenly in the prepared baking dish. Layer the cooked sausage and vegetables over the bread.
Step 5:
Sprinkle shredded cheddar cheese evenly over the sausage mixture.
Step 6:
In a large bowl, whisk together eggs, milk, salt, pepper, and smoked paprika (if using). Pour the egg mixture evenly over the casserole.
Step 7:
Bake uncovered for 20 25 minutes, or until the eggs are set and the top is lightly golden.
Step 8:
Let cool for 5 minutes before serving.
Save to Pins
| spicra.com

This dish always brings my family together for a cozy and delicious breakfast moment.

Notes

Serve with hot sauce or salsa for extra flavor.

Required Tools

Large skillet, mixing bowls, whisk, 9x13-inch (23x33 cm) baking dish, knife and cutting board

Allergen Information

Contains Eggs, Milk (Dairy), Wheat (Gluten), and possibly Soy (in some sausages and bread). Check sausage and bread labels for additional allergens.

Hot, cheesy Lightning-Fast Breakfast Sausage Casserole served with a side of fresh, diced bell peppers. Save to Pins
Hot, cheesy Lightning-Fast Breakfast Sausage Casserole served with a side of fresh, diced bell peppers. | spicra.com

This breakfast casserole is sure to become your new morning favorite with its ease and delicious taste.

Questions & Answers

Can I use turkey sausage instead of pork sausage?

Yes, turkey sausage can be substituted for a lighter alternative without sacrificing flavor.

What type of bread works best?

Day-old white or whole wheat bread cubes provide the ideal absorbent base for the egg mixture.

Is it possible to add extra vegetables?

Absolutely, chopped spinach or mushrooms can be added for additional texture and nutrients.

How do I know when the casserole is done baking?

The top should be lightly golden and the egg mixture fully set, typically after 20–25 minutes.

Can I prepare this dish ahead of time?

Yes, assemble in advance and refrigerate; bake fresh before serving for best results.

Lightning-Fast Sausage Casserole

Hearty casserole with sausage, eggs, cheese, and peppers for quick, flavorful mornings.

Prep Time
10 min
Time to Cook
25 min
Overall Time
35 min
Recipe by spicra Olivia Carter

Dish Category Easy Comfort Recipes

Skill Level Easy

Cuisine Type American

Makes 6 Number of Servings

Dietary Details None specified

What You'll Need

Protein

01 1 pound breakfast sausage, casings removed

Vegetables

01 1 cup diced bell peppers
02 1/2 cup diced onion

Bread & Dairy

01 4 cups cubed day-old bread, white or whole wheat
02 1 1/2 cups shredded cheddar cheese
03 8 large eggs
04 1 1/2 cups milk

Seasonings

01 1/2 teaspoon salt
02 1/4 teaspoon black pepper
03 1/4 teaspoon smoked paprika (optional)

Cooking

01 1 tablespoon butter, for greasing the baking dish

Cooking Steps

Step 01

Preheat oven and prepare dish: Preheat the oven to 375°F. Grease a 9x13-inch baking dish with butter.

Step 02

Cook sausage: Heat a large skillet over medium heat. Add the sausage, breaking it up with a spoon, and cook until browned and fully cooked, about 5 minutes. Drain excess fat if necessary.

Step 03

Sauté vegetables: Add diced bell peppers and onion to the skillet with the cooked sausage. Sauté for 2 to 3 minutes until vegetables soften slightly.

Step 04

Assemble casserole base: Evenly spread the cubed bread in the prepared baking dish. Layer the sausage and sautéed vegetables over the bread.

Step 05

Add cheese: Sprinkle shredded cheddar cheese evenly over the sausage and vegetable mixture.

Step 06

Mix and pour custard: In a large bowl, whisk together eggs, milk, salt, black pepper, and smoked paprika if using. Pour this mixture evenly over the assembled casserole.

Step 07

Bake casserole: Bake uncovered in the preheated oven for 20 to 25 minutes or until the eggs are set and the top is lightly golden.

Step 08

Rest before serving: Allow the casserole to cool for 5 minutes prior to slicing and serving.

Necessary Tools

  • Large skillet
  • Mixing bowl
  • Whisk
  • 9x13-inch baking dish
  • Knife and cutting board

Allergy Details

Go through each ingredient to spot allergens. If unsure, reach out to a healthcare provider.
  • Contains eggs, milk, wheat (gluten), and may contain soy depending on product brands.

Nutrition Info (each portion)

For informational use only—please talk to your doctor for health advice.
  • Calorie Count: 410
  • Fats: 26 g
  • Carbohydrates: 19 g
  • Proteins: 23 g