The Ultimate Guide to Sausage Breakfast Casserole Recipes

Few things bring as much comfort to the breakfast table as a hearty sausage breakfast casserole. Whether you’re hosting a weekend brunch, prepping for busy mornings, or creating a holiday breakfast spread, sausage breakfast casserole recipes are the perfect solution. They’re flavorful, easy to make ahead, and customizable for every taste and dietary need.

In this comprehensive guide, we’ll dive into the best sausage breakfast casserole recipes, explore tips for perfect results, and share variations to keep things fresh. And if you love trying new recipes, make sure to check out our exclusive Using Recipes Pricing Plans for unlimited access to our growing collection of tested, delicious meals.


What Is a Sausage Breakfast Casserole?

A sausage breakfast casserole is a savory, baked dish that typically includes breakfast sausage, eggs, cheese, and a starch like bread or hash browns. It’s all baked together in one dish for a warm, filling meal. Think of it as the perfect mashup between scrambled eggs, an omelet, and a sandwich—delivered in casserole form.


Why You’ll Love Sausage Breakfast Casseroles

Here’s why sausage breakfast casseroles have become a staple in many households:

  • Make-Ahead Friendly: Prepare it the night before and bake it in the morning.

  • Feeds a Crowd: Perfect for large families or gatherings.

  • Versatile: You can customize the ingredients to suit various diets or preferences.

  • Freezer-Friendly: Great for batch cooking and freezing for busy mornings.

  • Kid-Approved: Sausage, cheese, and eggs are always a hit.


Classic Sausage Breakfast Casserole Recipe

Let’s start with the traditional version—a classic sausage breakfast casserole that’s always a crowd-pleaser.

Ingredients:

  • 1 lb breakfast sausage

  • 6 large eggs

  • 2 cups whole milk

  • 6 cups cubed bread (day-old preferred)

  • 1 ½ cups shredded cheddar cheese

  • ½ teaspoon salt

  • ½ teaspoon black pepper

  • ½ teaspoon garlic powder

  • ½ teaspoon onion powder

  • Optional: ½ cup diced bell peppers, onions, or spinach for added flavor

Instructions:

  1. Cook the Sausage
    In a skillet over medium heat, cook the sausage until browned and fully cooked. Drain excess fat and set aside.

  2. Prepare the Egg Mixture
    In a large bowl, whisk together the eggs, milk, salt, pepper, garlic powder, and onion powder.

  3. Assemble the Casserole
    Grease a 9×13-inch baking dish. Layer the bread cubes evenly at the bottom. Sprinkle the cooked sausage over the bread. Add the optional vegetables if using. Pour the egg mixture over everything and top with shredded cheese.

  4. Refrigerate (Optional)
    For best results, cover and refrigerate overnight to let the bread soak up the mixture.

  5. Bake
    Preheat the oven to 350°F (175°C). Bake uncovered for 45-55 minutes or until the center is set and the top is golden brown. Let rest for 10 minutes before serving.


Variations of Sausage Breakfast Casserole Recipes

1. Hash Brown Sausage Casserole

Replace the bread with shredded hash browns or diced potatoes. It adds a crispy texture and a different flavor profile.

2. Low-Carb/Keto Sausage Breakfast Casserole

Skip the bread and use more eggs and heavy cream instead of milk. Add spinach, mushrooms, and full-fat cheese for a keto-friendly breakfast.

3. Spicy Southwest Casserole

Use spicy chorizo sausage, pepper jack cheese, and add jalapeños and salsa to give it a Tex-Mex twist.

4. Vegetarian “Sausage” Casserole

Use plant-based sausage and load up on vegetables like zucchini, tomatoes, and mushrooms.

5. Croissant Sausage Casserole

For a buttery, decadent version, replace bread with torn-up croissants. It’s perfect for brunch or special occasions.


Tips for the Perfect Breakfast Casserole

  1. Use Stale Bread
    Day-old bread works best as it soaks up the egg mixture without getting soggy.

  2. Let It Rest
    After baking, let the casserole sit for 5–10 minutes. This helps it firm up and makes serving easier.

  3. Make It Ahead
    Assemble the night before and bake in the morning for a stress-free breakfast.

  4. Freeze for Later
    Bake, cool, and slice the casserole into portions. Freeze individually for easy microwavable breakfasts.

  5. Customize the Cheese
    Swap cheddar for mozzarella, gouda, or feta depending on your flavor preferences.


Serving Suggestions

Pair your sausage breakfast casserole with:

  • Fresh fruit or a fruit salad

  • Greek yogurt or a smoothie

  • A side of avocado or guacamole

  • Freshly baked muffins or toast

  • Coffee, tea, or fresh-squeezed orange juice


Frequently Asked Questions

How Long Can You Store Leftovers?

Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the oven or microwave.

Can I Freeze the Casserole?

Yes! You can freeze it before or after baking. If freezing before baking, thaw overnight in the fridge and bake as directed. If already baked, reheat in the oven covered with foil.

What Kind of Bread Works Best?

French bread, sourdough, or any thick-cut rustic loaf holds up well to the egg mixture. Avoid overly soft sandwich breads.


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Final Thoughts

Sausage breakfast casseroles are a fantastic way to bring warmth, comfort, and flavor to your mornings. Whether you’re serving a big family brunch or prepping meals for the week, these casseroles are the perfect solution. Plus, with so many ways to customize, you’ll never get bored.

For more delicious inspiration and time-saving tips, make sure to browse our full recipe archive at Using Recipes and don’t forget to explore our pricing plans to get the most out of your cooking journey.

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