The Ultimate Breakfast Sausage Casserole Recipe

If you’re looking for a hearty, comforting breakfast that’s easy to prepare and perfect for feeding a crowd, this Breakfast Sausage Casserole is your answer. Whether you’re hosting a brunch, meal prepping for the week, or just want a delicious way to start your day, this make-ahead dish is sure to become a staple in your kitchen.

Why You’ll Love This Recipe

  • Make-Ahead Convenience: Prepare it the night before, refrigerate, and bake in the morning for an effortless breakfast.
  • Simple Ingredients: Everything you need is likely already in your pantry and fridge.
  • Feeds a Crowd: This casserole is ideal for family gatherings, holiday breakfasts, or meal prep.
  • Customizable: Easily swap out ingredients to suit dietary preferences and tastes.

Ingredients You’ll Need

  • 1 pound ground pork sausage
  • 1 teaspoon mustard powder
  • ½ teaspoon salt
  • 4 large eggs, beaten
  • 2 cups milk
  • 6 slices white bread, toasted and cut into cubes
  • 8 ounces mild Cheddar cheese, shredded

Kitchen Equipment Required

  • Skillet
  • Medium mixing bowl
  • Whisk
  • 9×13-inch baking dish
  • Plastic wrap or foil (for chilling overnight)
  • Oven

Step-by-Step Directions

  1. Cook the Sausage: In a medium skillet, crumble and cook the sausage over medium heat until browned and fully cooked. Drain the grease.
  2. Prepare the Egg Mixture: In a medium bowl, whisk together mustard powder, salt, eggs, and milk.
  3. Assemble the Casserole: Add the cooked sausage, toasted bread cubes, and shredded cheese to the egg mixture. Stir well to evenly coat.
  4. Chill Overnight: Pour the mixture into a greased 9×13-inch baking dish. Cover and refrigerate for at least 8 hours or overnight.
  5. Bake the Casserole: Preheat oven to 350°F (175°C). Cover the dish and bake for 45-60 minutes.
  6. Final Bake: Uncover, reduce the temperature to 325°F (165°C), and bake for another 30 minutes until fully set.
  7. Serve & Enjoy: Let the casserole cool slightly before serving hot.

Pro Tips & Recipe Variations

Tips for the Best Breakfast Casserole

  • Use day-old bread for better texture.
  • For extra flavor, add diced onions or bell peppers to the sausage while cooking.
  • Let the casserole sit for 5-10 minutes after baking before cutting for cleaner slices.

Easy Ingredient Swaps & Variations

  • Bread Options: Swap white bread for whole wheat, sourdough, or even croissants.
  • Cheese Choices: Try using sharp Cheddar, Swiss, Monterey Jack, or a mix for more depth.
  • Protein Substitutes: Swap pork sausage for turkey sausage, chicken sausage, or even crumbled bacon.
  • Vegetarian Option: Replace sausage with sautéed mushrooms and spinach for a meat-free version.

Storage & Reheating Instructions

How to Store Leftovers

  • Refrigerator: Store in an airtight container for up to 4 days.
  • Freezer: Wrap individual portions and freeze for up to 2 months.

How to Reheat

  • Microwave: Heat individual slices for 1-2 minutes.
  • Oven: Reheat at 350°F (175°C) for 15-20 minutes until warmed through.

Best Pairings

Beverage Pairings

  • Coffee: A strong black coffee or a creamy latte pairs perfectly.
  • Orange Juice or Mimosa: A refreshing citrus drink balances the richness of the casserole.

Side Dish Ideas

  • Fresh Fruit Salad: Adds a light and fresh contrast to the hearty casserole.
  • Crispy Hash Browns: A crunchy side that complements the soft and cheesy casserole.
  • Avocado Slices: A healthy, creamy addition to your plate.

Frequently Asked Questions (FAQ)

1. Can I make this casserole without chilling overnight?

Yes! While chilling enhances the flavors and texture, you can bake it immediately. Let it sit for 10-15 minutes after assembling before baking.

2. Can I use non-dairy milk?

Absolutely! Use almond milk, oat milk, or any dairy-free alternative.

3. How do I make this recipe gluten-free?

Substitute the bread with a gluten-free variety, and ensure the sausage and cheese are gluten-free.

4. Can I add vegetables to this casserole?

Yes! Bell peppers, mushrooms, onions, and spinach make excellent additions.

5. Can I prepare this casserole ahead and freeze it?

Yes, assemble and freeze it unbaked. Thaw overnight in the fridge before baking.

Final Thoughts

This Breakfast Sausage Casserole is the ultimate breakfast solution for busy mornings, holiday brunches, and meal prepping. Its simple ingredients, make-ahead convenience, and endless customizations make it a must-try recipe for any home cook.

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