Lightning-Fast Sausage Casserole

Featured in: Easy Weeknight Eats

This sausage casserole combines browned sausage, sautéed bell peppers and onion layered over cubed bread, topped with shredded cheddar and a spiced egg-milk mixture. Baked until golden and set, it creates a comforting, protein-rich breakfast dish ready in just over half an hour. Variations like turkey sausage or added vegetables such as spinach offer versatility. This dish is perfect for busy mornings or feeding a crowd with minimal prep and hearty results.

Updated on Tue, 25 Nov 2025 14:15:00 GMT
Golden, bubbly Lightning-Fast Breakfast Sausage Casserole, a savory morning meal with cheese and sausage. Save
Golden, bubbly Lightning-Fast Breakfast Sausage Casserole, a savory morning meal with cheese and sausage. | tazzsip.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 quickly became a weekday favorite in our home because it's both easy to prepare and filling.

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)
  • Large eggs: 8
  • 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.
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This dish always brings our family together on busy mornings, sharing smiles over a hearty meal.

Notes

Substitute turkey sausage or plant-based sausage for a lighter or vegetarian version. Add chopped spinach or mushrooms for extra vegetables. 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/bread). Check sausage and bread labels for additional allergens.

This hearty Lightning-Fast Breakfast Sausage Casserole is filled with sausage, colorful bell peppers, and melted cheese. Save
This hearty Lightning-Fast Breakfast Sausage Casserole is filled with sausage, colorful bell peppers, and melted cheese. | tazzsip.com

This casserole is perfect for meal prep and reheats beautifully for quick breakfasts any day of the week.

Recipe Guide

Can I use turkey sausage instead of pork sausage?

Yes, turkey sausage works well for a lighter flavor and still maintains the hearty texture of the dish.

What type of bread is best for this casserole?

Day-old white or whole wheat bread cubes absorb the egg mixture nicely while providing a sturdy base.

How can I make this dish vegetarian?

Substitute plant-based sausage and add extra vegetables like mushrooms or spinach to enhance flavor and texture.

What is the ideal baking temperature and time?

Bake uncovered at 375°F (190°C) for 20–25 minutes until the eggs set and the top is lightly golden.

Can I prepare this casserole the night before?

Yes, assemble it in advance and refrigerate overnight; bake fresh in the morning for best results.

Lightning-Fast Sausage Casserole

A hearty sausage and egg casserole with cheese and bell peppers, ideal for quick and flavorful mornings.

Setup duration
10 min
Heat duration
25 min
Complete duration
35 min
Created by Daniel Brooks

Classification Easy Weeknight Eats

Complexity Easy

Heritage American

Output 6 Portions

Nutrition specifications None specified

Components

Protein

01 1 pound breakfast sausage, casings removed

Vegetables

01 1 cup diced bell peppers (any color)
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)

Method

Phase 01

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

Phase 02

Cook sausage: Cook sausage in a large skillet over medium heat, breaking it up, until browned and cooked through, about 5 minutes. Drain excess fat if necessary.

Phase 03

Sauté vegetables: Add diced bell peppers and onion to the skillet. Sauté for 2 to 3 minutes until slightly softened.

Phase 04

Assemble base layer: Spread cubed bread evenly in the prepared baking dish. Layer the cooked sausage and vegetables over the bread.

Phase 05

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

Phase 06

Combine and pour egg mixture: Whisk together eggs, milk, salt, black pepper, and smoked paprika (if using) in a large bowl. Pour egg mixture evenly over casserole layers.

Phase 07

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

Phase 08

Rest before serving: Allow casserole to cool for 5 minutes before serving.

Necessary tools

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

Allergy details

Review ingredients carefully for potential allergens and seek professional medical guidance when uncertain.
  • Contains eggs, milk (dairy), wheat (gluten), and possibly soy depending on sausage and bread choice.

Dietary information (per portion)

Values shown are estimates only - consult healthcare providers for specific advice.
  • Energy: 410
  • Fats: 26 g
  • Carbohydrates: 19 g
  • Proteins: 23 g