Breakfast Casserole

A classic Breakfast Casserole is a hearty, flavorful dish that combines eggs, cheese, breakfast meats, and vegetables for a comforting and satisfying start to the day. Perfect for brunches, holidays, or meal prepping, this casserole is easy to customize and can be prepared ahead of time for stress-free mornings.

Why You’ll Love This Recipe

  • Simple and Delicious: A no-fuss recipe with big flavors.
  • Make-Ahead Friendly: Prepare it the night before and bake fresh in the morning.
  • Customizable: Tailor the ingredients to suit your taste or dietary preferences.
  • Feeds a Crowd: Perfect for family breakfasts, potlucks, or gatherings.
  • Balanced and Hearty: A complete meal in one dish with protein, veggies, and cheese.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

  • Eggs
  • Milk
  • Salt and pepper
  • Shredded cheese (cheddar, mozzarella, or your favorite blend)
  • Breakfast sausage, bacon, or ham (cooked and crumbled)
  • Hash browns (shredded or diced, fresh or frozen)
  • Vegetables (such as bell peppers, onions, or spinach, diced)
  • Butter or cooking spray (for greasing the dish)

Directions

  1. Preheat the Oven: Preheat your oven to 375°F (190°C) and grease a 9×13-inch baking dish with butter or cooking spray.
  2. Cook the Meat and Vegetables: If using sausage or bacon, cook it until crispy. Sauté the vegetables until tender.
  3. Layer the Ingredients: Spread hash browns evenly in the bottom of the baking dish. Sprinkle with the cooked meat, sautéed vegetables, and half of the shredded cheese.
  4. Mix the Egg Mixture: In a large bowl, whisk together eggs, milk, salt, and pepper. Pour the mixture evenly over the layers in the baking dish.
  5. Top with Cheese: Sprinkle the remaining cheese over the top.
  6. Bake: Place the casserole in the oven and bake uncovered for 35-40 minutes, or until the eggs are set and the top is golden and bubbly.
  7. Cool and Serve: Let the casserole cool for a few minutes before slicing and serving.

Servings and Timing

  • Servings: 8
  • Preparation Time: 10 minutes
  • Cooking Time: 35-40 minutes

Variations

  • Vegetarian: Skip the meat and add extra veggies like mushrooms, zucchini, or tomatoes.
  • Spicy Twist: Add jalapeños, pepper jack cheese, or a splash of hot sauce to the egg mixture.
  • Low-Carb Option: Replace hash browns with roasted cauliflower or omit them entirely.
  • Cheese Lovers: Use a mix of cheeses like Swiss, Gruyère, or Monterey Jack for extra richness.
  • Sweet Potato Version: Swap hash browns for shredded sweet potatoes for a slightly sweeter flavor.

Storage/Reheating

  • Storage: Cover leftovers tightly and refrigerate for up to 3 days.
  • Freezing: Wrap individual portions in plastic wrap and store in a freezer-safe container for up to 2 months.
  • Reheating: Warm in the oven at 350°F (175°C) for 10-15 minutes, or microwave individual servings for 1-2 minutes.

FAQs

Can I use fresh potatoes instead of hash browns?

Yes, shred or dice fresh potatoes, but make sure to squeeze out excess moisture before using.

Can I prepare this casserole the night before?

Yes, assemble it, cover tightly, and refrigerate overnight. Bake fresh in the morning.

How do I prevent the casserole from being watery?

Ensure that any frozen ingredients, like hash browns or vegetables, are thawed and patted dry before assembling.

Can I make this dairy-free?

Yes, substitute milk with a non-dairy alternative and use dairy-free cheese.

How do I know when the casserole is done?

The casserole is ready when the top is golden, and a knife inserted in the center comes out clean.

Can I add bread instead of hash browns?

Yes, use cubed bread (like French or sourdough) for a different texture.

Can I double the recipe?

Yes, use a larger baking dish or make two casseroles to feed a larger group.

What toppings pair well with this dish?

Sour cream, salsa, avocado, or fresh herbs like parsley or cilantro are excellent choices.

Can I use egg whites instead of whole eggs?

Yes, substitute whole eggs with egg whites or a combination of both for a lighter option.

Can I add cheese inside and on top?

Absolutely! Mixing cheese into the layers and sprinkling it on top ensures a cheesy bite in every forkful.

Conclusion

This classic Breakfast Casserole is the perfect combination of simplicity and flavor. It’s easy to prepare, endlessly adaptable, and a guaranteed crowd-pleaser. Whether you’re hosting a brunch, preparing meals for the week, or simply treating your family to a hearty breakfast, this casserole is sure to become a staple in your recipe collection!

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Breakfast Casserole

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This classic Breakfast Casserole is a hearty, crowd-pleasing dish that’s perfect for breakfast, brunch, or meal prep. Made with eggs, breakfast sausage, cheese, and hash browns, it’s an easy, customizable recipe you can prepare ahead of time.

  • Author: Beth
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Total Time: 55 minutes
  • Yield: 68 servings 1x
  • Category: Breakfast, Brunch, Casserole
  • Method: Baking
  • Cuisine: American

Ingredients

Scale
  • 1 lb (450 g) breakfast sausage, cooked and crumbled
  • 1 bag (32 oz or 900 g) frozen hash browns, thawed
  • 8 large eggs
  • 1 cup (240 ml) whole milk
  • 1/2 tsp salt
  • 1/4 tsp black pepper
  • 1/2 tsp garlic powder
  • 1/2 tsp onion powder
  • 2 cups (200 g) shredded cheddar cheese
  • 1/2 cup (50 g) shredded Monterey Jack cheese (optional)
  • 1/4 cup (30 g) chopped green onions (optional, for garnish)

 


Instructions

  1. Preheat Oven: Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish.
  2. Cook the Sausage:
    • In a skillet over medium heat, cook the breakfast sausage until browned and fully cooked. Drain any excess grease.
  3. Assemble the Casserole:
    • Spread the thawed hash browns evenly in the bottom of the prepared baking dish. Sprinkle the cooked sausage over the hash browns.
    • In a large bowl, whisk together the eggs, milk, salt, pepper, garlic powder, and onion powder. Pour the egg mixture evenly over the hash browns and sausage.
    • Sprinkle shredded cheddar and Monterey Jack cheese evenly over the top.
  4. Bake:
    • Bake uncovered for 35-40 minutes, or until the eggs are set and the top is golden brown.
  5. Cool and Serve:
    • Let the casserole cool for 5 minutes. Garnish with chopped green onions if desired, and serve warm.

Notes

  • For a vegetarian version, replace the sausage with sautéed vegetables like mushrooms, spinach, and bell peppers.
  • Leftovers can be stored in the fridge for up to 4 days or frozen for up to 2 months. Reheat in the oven or microwave.
  • For added spice, use hot breakfast sausage or add diced jalapeños.

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