Make-Ahead Egg & Sausage Casserole | Breakfast Casserole

Make-Ahead Egg & Sausage Casserole | Breakfast Casserole

Imagine a warm, golden-brown breakfast casserole, fresh from the oven, filling your kitchen with the savory scent of sausage and eggs.

I still remember the first time I made this casserole on a lazy Sunday morning at our cozy cabin in the mountains, the smell of sizzling sausage and fresh herbs wafting through the air.

It was during a particularly chaotic morning, with everyone scrambling to get ready for a day of hiking, that this Make-Ahead Egg & Sausage Casserole | Breakfast Casserole quickly became a cherished family favorite.

Why You’ll Love This Make-Ahead Egg & Sausage Casserole | Breakfast Casserole

  • The perfect combination of crispy, golden-brown crust and creamy, savory eggs.
  • Packed with flavorful sausage, fresh herbs, and a blend of cheeses.
  • Ready in just 35 minutes, making it ideal for busy mornings.
  • Foolproof and easy to make ahead, perfect for meal prep or special occasions.
  • Perfect for breakfast, brunch, or even a satisfying dinner.

Ingredients You’ll Need

  • 1 pound sweet Italian sausage, casings removed
  • 1 medium onion, chopped
  • 3 cloves garlic, minced
  • 1 cup shredded cheddar cheese
  • 1/2 cup heavy cream
  • 6 large eggs
  • 1 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 cup frozen hash browns, thawed
  • 2 cups shredded cheddar cheese

The star ingredients of this casserole are the sweet Italian sausage and farm-fresh eggs, which come together to create a rich, satisfying flavor profile that’s both familiar and comforting.

Expert Tips for the Best Make-Ahead Egg & Sausage Casserole | Breakfast Casserole

  • Cook the sausage until browned, breaking it up into small pieces for even distribution.
  • Don’t overmix the egg mixture to prevent a dense casserole.
  • Add a sprinkle of grated cheese on top for an extra-bubbly, golden-brown crust.
  • Use a thermometer to ensure the casserole reaches a safe internal temperature of 160°F.
  • Prepare the casserole up to a day in advance and refrigerate or freeze for later use.

Variations and Substitutions

For a gluten-free version, swap the bread for gluten-free cubed bread or crushed gluten-free crackers. You can also substitute the sausage with vegetarian sausage or bacon for a different protein option. Add some diced jalapeños or red pepper flakes for an extra kick of flavor.

How to Store and Reheat

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or oven until warmed through. You can also freeze the casserole for up to 2 months and thaw overnight in the refrigerator before reheating.

Frequently Asked Questions

Can I make this casserole ahead of time?

Yes, you can prepare the casserole up to a day in advance and refrigerate or freeze for later use.

How do I prevent the casserole from becoming soggy?

To prevent sogginess, make sure to cook the sausage until browned and use a moderate amount of milk in the egg mixture.

Can I serve this casserole at room temperature?

While it’s best served warm, you can serve the casserole at room temperature if needed.

I hope you enjoy this Make-Ahead Egg & Sausage Casserole | Breakfast Casserole as much as my family does – it’s a true breakfast staple that’s sure to become a favorite in your household too!

✦ Recipe Card ✦

Egg & Sausage Casserole

⏱️
PREP
20 mins
🔥
COOK
25 mins
TOTAL
45 mins
👤
SERVES
8-10 servings
🔥 Calories 320 kcal💪 Protein 28g🌾 Carbs 22g🫙 Fat 12g

🧂 Ingredients

1 pound sweet Italian sausage, casings removed
1 medium onion, chopped
3 cloves garlic, minced
1 cup shredded cheddar cheese
1/2 cup heavy cream
6 large eggs
1 teaspoon salt
1/4 teaspoon black pepper
1 cup frozen hash browns, thawed
2 cups shredded cheddar cheese

👩‍🍳 Instructions

  1. 1Preheat oven to 350°F.
  2. 2Cook sausage in a large skillet over medium-high heat until browned, breaking into small pieces as it cooks.
  3. 3Remove sausage from skillet with a slotted spoon and set aside.
  4. 4Leave drippings in skillet and cook chopped onion until softened, about 5 minutes.
  5. 5Add garlic and cook for 1 minute.
  6. 6In a large bowl, whisk together eggs, heavy cream, salt, and pepper.
  7. 7Stir in cooked sausage, chopped onion and garlic, and shredded cheese.
  8. 8Pour egg mixture into a greased 9×13-inch baking dish.
  9. 9Top with hash browns and additional shredded cheese.
  10. 10Bake for 35-40 minutes or until the eggs are set and the cheese is melted and golden brown.
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