Hash Brown Breakfast Casserole

Breakfast casseroles make mornings special, and this Hash Brown Breakfast Casserole is no exception. It turns everyday ingredients into a comforting, hearty dish that’s perfect for feeding a crowd. Combining crispy hash browns, fluffy eggs, and gooey melted cheese, it’s the ultimate breakfast comfort food.

This dish is perfect for family breakfasts, brunch gatherings, or meal prepping for the week. With minimal prep and easy customization options, it’s a versatile recipe that delivers big on flavor. Whether you enjoy it plain or load it up with your favorite mix-ins, this casserole is sure to be a hit with everyone at the table.

Kitchen Equipment Needed

• 9×13-inch baking dish
• Mixing bowls
• Whisk
• Large skillet (optional, for pre-cooking add-ins)
• Measuring cups and spoons

Ingredients Overview

• Hash browns: A crispy base that forms the foundation of the casserole.
• Eggs: Provide structure and fluffiness.
• Cheese: Adds creaminess and a deliciously gooey topping.
• Add-ins: Sausage, bacon, or veggies make it customizable to your taste.

Ingredients

• 6 cups frozen hash browns, thawed
• 1 cup shredded cheddar cheese (plus extra for topping)
• 8 large eggs
• 1 cup milk
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper

Optional Add-ins

• 1 cup cooked sausage, crumbled
• 1/2 cup diced bell peppers
• 1/2 cup chopped spinach
• 1/2 cup diced onions

Directions

1. Preheat the oven
   Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
2. Assemble the hash brown layer
   Spread the thawed hash browns evenly in the prepared baking dish. Sprinkle 1 cup of shredded cheddar cheese over the hash browns.
3. Prepare the egg mixture
   In a mixing bowl, whisk together the eggs, milk, garlic powder, onion powder, salt, and black pepper.
4. Add optional ingredients
   If using sausage, bell peppers, spinach, or onions, sprinkle them over the hash browns.
5. Pour the egg mixture
   Pour the egg mixture evenly over the hash browns and toppings. Use a spatula to press everything down slightly to ensure the egg mixture covers the ingredients.
6. Bake
   Bake the casserole in the preheated oven for 35–40 minutes, or until the eggs are set and the top is golden. Sprinkle extra cheese on top during the last 5 minutes of baking, if desired.
7. Cool and serve
   Let the casserole cool for 5–10 minutes before slicing. Serve warm and enjoy!

Prep Time

15 minutes

Cook Time

40 minutes

Total Time

55 minutes

Nutrition (per serving, ~8 servings)

• Calories: ~220
• Fat: ~12g
• Carbohydrates: ~15g
• Protein: ~12g

Expert Tips

• Thaw the hash browns: Make sure the hash browns are completely thawed and patted dry to avoid a watery casserole.
• Crisp the hash browns: For extra crunch, pre-bake or pan-fry the hash browns before assembling the casserole.
• Double the recipe: If serving a larger crowd, double the recipe and use two baking dishes.

FAQs

Can I make this casserole ahead of time?
Yes! Assemble the casserole the night before, cover, and refrigerate. Bake it fresh in the morning.

Can I freeze this casserole?
Absolutely. Bake it as directed, let it cool, then wrap it tightly and freeze for up to 3 months. Reheat in the oven at 350°F (175°C) until warmed through.

What are some other topping ideas?
Try diced ham, cooked bacon, mushrooms, or jalapeños for extra flavor.

Storing & Reheating

• Storing: Refrigerate leftovers in an airtight container for up to 4 days.
• Reheating: Reheat individual portions in the microwave or warm the whole casserole in the oven at 350°F (175°C).

Substitutions & Variations

• Dairy-free: Use almond milk and dairy-free cheese.
• Spicy kick: Add chopped jalapeños or a dash of hot sauce to the egg mixture.
• Vegetarian: Skip the meat and load up on vegetables like mushrooms, zucchini, and kale.

Hash Brown Breakfast Casserole

A comforting breakfast casserole featuring crispy hash browns, fluffy eggs, and gooey melted cheese, perfect for feeding a crowd.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 40 minutes mins

Total Time 55 minutes mins

Servings: 8 servings

Course: Breakfast, Brunch

Cuisine: American

Calories: 220

Ingredients Method Notes

Ingredients

  

Main Ingredients

• 6 cups frozen hash browns, thawed Ensure they are fully thawed and patted dry.
• 1 cup shredded cheddar cheese Plus extra for topping.
• 8 large eggs
• 1 cup milk
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper

Optional Add-ins

• 1 cup cooked sausage, crumbled Optional.
• 1/2 cup diced bell peppers Optional.
• 1/2 cup chopped spinach Optional.
• 1/2 cup diced onions Optional.

Method

 

Preparation

1. Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish.
2. Spread the thawed hash browns evenly in the prepared baking dish. Sprinkle 1 cup of shredded cheddar cheese over the hash browns.
3. In a mixing bowl, whisk together the eggs, milk, garlic powder, onion powder, salt, and black pepper.
4. If using sausage, bell peppers, spinach, or onions, sprinkle them over the hash browns.
5. Pour the egg mixture evenly over the hash browns and toppings, and use a spatula to press everything down slightly.

Baking

1. Bake the casserole in the preheated oven for 35–40 minutes, or until the eggs are set and the top is golden. Sprinkle extra cheese on top during the last 5 minutes of baking, if desired.

Serving

1. Let the casserole cool for 5–10 minutes before slicing. Serve warm and enjoy!

Notes

Thaw the hash browns completely to avoid a watery casserole. For extra crunch, pre-bake or pan-fry the hash browns before assembling. This recipe can be doubled to serve a larger crowd.