This Hash Brown Egg Casserole is a delicious and versatile dish perfect for breakfast, brunch, or even dinner. With the convenience of frozen hash brown patties, you can whip this up quickly either the same morning or the night before. The blend of cheeses and ham adds a delightful flavor that will satisfy everyone at your table.
Why You’ll Love This Recipe
- Quick to Prepare: You can get this dish ready in just 5 minutes, making it perfect for busy mornings.
- Versatile Meal: Suitable for breakfast, brunch, or dinner, this casserole fits any occasion.
- Flavorful Ingredients: The combination of sharp cheddar and Monterey Jack cheeses with diced ham creates a savory delight.
- Easy Cleanup: With everything baked in one dish, cleanup is a breeze!
- Make-Ahead Option: Prepare it the night before and simply bake it in the morning—perfect for entertaining!
Tools and Preparation
Before diving into making this delicious Hash Brown Egg Casserole, gather your tools and ensure you’re prepared for easy cooking.
Essential Tools and Equipment
- 9×13 baking dish
- Whisk
- Mixing bowl
- Foil
Importance of Each Tool
- 9×13 baking dish: This size is ideal for evenly cooking your casserole while allowing enough space for all the ingredients.
- Whisk: A whisk helps thoroughly combine the eggs, milk, and spices for a smooth custard.
- Mixing bowl: A large bowl provides ample space to mix ingredients without spills.
- Foil: Covering your casserole with foil during baking ensures even cooking and prevents excess browning.
Ingredients
This Hash Brown Egg Casserole is so quick and easy using frozen hash brown patties! Prepare it the same morning or the night before. Great recipe for breakfast, brunch, or dinner.
For the Casserole Base
- 8 precooked frozen hash brown patties (thawing is not necessary)
- 1 cup shredded sharp cheddar cheese
- 1 cup shredded Monterey Jack cheese
- 1 & 1/2 cups diced leftover ham (about 3/4 pound)
- 2 scallions (diced)
For the Custard Mixture
- 9 large eggs
- 1 cup whole milk
- 1/2 teaspoon salt
- 1/2 teaspoon dry ground mustard (optional but recommended)
- 1/4 teaspoon garlic powder
How to Make Hash Brown Egg Casserole
Step 1: Preheat the Oven
Preheat your oven to 350 degrees F. Grease a 9×13 baking dish with cooking spray or butter.
Step 2: Arrange Hash Browns
Place the frozen hash brown patties in the greased baking dish in a single layer. Ensure they cover the bottom completely.
Step 3: Add Toppings
Evenly sprinkle both cheeses, diced ham, and scallions over the top of the hash browns.
Step 4: Whisk Custard Mixture
In a large mixing bowl, whisk together:
1. Eggs
2. Whole milk
3. Salt
4. Dry ground mustard (if using)
5. Garlic powder
Make sure everything is well combined.
Step 5: Pour Custard Over Mixture
Carefully pour the egg mixture evenly over the ham and cheese layers in the baking dish.
Step 6: Bake Covered
Cover the baking dish with foil and bake in your preheated oven for 25 minutes.
Step 7: Bake Uncovered
After 25 minutes, remove the foil and continue baking for an additional 20 minutes or until edges are golden brown. A knife inserted into the center should come out clean.
Step 8: Cool and Serve
Allow your casserole to cool for about 5-10 minutes before cutting into portions. Serve warm and enjoy!
How to Serve Hash Brown Egg Casserole
Serving Hash Brown Egg Casserole is a delightful experience, perfect for any occasion. Whether it’s breakfast, brunch, or dinner, this dish can be complemented with various sides and garnishes.
Garnish with Fresh Herbs
- Chopped Parsley: Add a touch of freshness by sprinkling chopped parsley on top before serving.
- Chives: Finely sliced chives bring a mild onion flavor that pairs well with the casserole.
Pair with Fresh Fruits
- Mixed Berries: Serve alongside a bowl of strawberries, blueberries, and raspberries for a refreshing contrast.
- Sliced Melon: Watermelon or cantaloupe provides a sweet and juicy side that balances the savory flavors.
Accompany with Dips
- Sour Cream or Greek Yogurt: Offer as a creamy topping that adds richness and tanginess.
- Hot Sauce: For those who enjoy some heat, provide hot sauce on the side for a spicy kick.
Serve with Toast or Bagels
- Crispy Toast: A slice of buttered toast complements the casserole nicely.
- Bagels: Toasted bagels can add another layer to your breakfast spread.

How to Perfect Hash Brown Egg Casserole
To ensure your Hash Brown Egg Casserole turns out perfectly every time, keep these tips in mind.
- Use Frozen Patties: Using frozen hash brown patties saves time and ensures even cooking.
- Let It Rest: Allowing the casserole to cool for 5-10 minutes before slicing helps it set better.
- Customize Ingredients: Feel free to swap out ham for bacon or sausage for variety in flavors.
- Don’t Skip the Mustard: Adding dry ground mustard elevates the dish’s flavor profile significantly.
- Check Doneness Carefully: Insert a knife in the center; it should come out clean when fully baked.
Best Side Dishes for Hash Brown Egg Casserole
Pairing side dishes with your Hash Brown Egg Casserole can enhance your meal. Here are some tasty options:
- Fresh Salad: A light green salad adds crispness and balances the hearty casserole.
- Fruit Salad: A medley of seasonal fruits brings sweetness to your plate.
- Bacon or Sausage Links: Crispy bacon or savory sausage enhances the breakfast theme perfectly.
- Yogurt Parfait: Layered yogurt with granola and fruits makes for a wholesome complement.
- Grilled Asparagus: Lightly seasoned grilled asparagus provides an earthy flavor contrast.
- Roasted Potatoes: Seasoned roasted potatoes can serve as an additional comforting side.
Common Mistakes to Avoid
When making Hash Brown Egg Casserole, it’s easy to make a few common mistakes. Here are some tips to ensure your casserole turns out perfectly.
- Using thawed hash browns: Always use frozen hash brown patties directly from the freezer. Thawing can make them soggy and affect the texture.
- Skipping the greasing step: Make sure to grease your baking dish well. This prevents sticking and helps achieve a golden crust.
- Not whisking the eggs thoroughly: Mix the eggs well with milk and seasoning. This ensures an even distribution of flavors throughout the casserole.
- Overbaking the casserole: Keep an eye on the baking time. Overbaking can lead to dry edges and an unappealing texture.
- Ignoring serving suggestions: Consider garnishing with fresh herbs or additional cheese for extra flavor and presentation.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container for up to 3 days.
- Allow the casserole to cool completely before refrigerating.
Freezing Hash Brown Egg Casserole
- Wrap portions tightly in plastic wrap and then place in a freezer-safe bag.
- Can be frozen for up to 2 months for optimal freshness.
Reheating Hash Brown Egg Casserole
- Oven: Preheat to 350°F (175°C). Cover with foil and reheat for about 20-25 minutes until warmed through.
- Microwave: Place a portion on a microwave-safe plate. Heat on high for 1-2 minutes, checking for warmth.
- Stovetop: Use a skillet over medium heat. Add a splash of milk if needed, and heat while stirring until warm.
Frequently Asked Questions
Here are some frequently asked questions about Hash Brown Egg Casserole.
Can I use different types of cheese in Hash Brown Egg Casserole?
Yes! Feel free to experiment with your favorite cheeses like gouda or pepper jack for added flavor.
How can I make Hash Brown Egg Casserole vegetarian?
Simply omit the ham and add more vegetables such as bell peppers or spinach for a delicious vegetarian option.
Can I prepare Hash Brown Egg Casserole ahead of time?
Definitely! You can assemble it the night before, cover it, and bake it in the morning for a quick breakfast.
What are some good side dishes for Hash Brown Egg Casserole?
Pair this casserole with fresh fruit, a light salad, or toast for a complete meal.
Is Hash Brown Egg Casserole suitable for meal prep?
Absolutely! It stores well and reheats easily, making it perfect for meal prepping breakfasts or brunches.
Final Thoughts
Hash Brown Egg Casserole is not only quick and easy but also incredibly versatile. You can customize it by adding different meats, cheeses, or veggies based on your preferences. Whether you serve it for breakfast, brunch, or dinner, it’s sure to please everyone at your table. Give this delightful recipe a try!
Hash Brown Egg Casserole
Hash Brown Egg Casserole is a delightful and hearty dish that transforms simple ingredients into a satisfying meal. Ideal for breakfast, brunch, or dinner, this casserole features layers of crispy hash browns, savory ham, and a cheesy custard that bakes to perfection. With its quick preparation time and make-ahead option, it’s perfect for busy mornings or entertaining guests. The combination of sharp cheddar and Monterey Jack cheeses creates a creamy richness that everyone will love. Serve it warm with fresh herbs and your favorite sides for a complete meal experience.
- Prep Time: 10 minutes
- Cook Time: 45 minutes
- Total Time: 55 minutes
- Yield: Serves 8
- Category: Breakfast
- Method: Baking
- Cuisine: American
Ingredients
- 8 frozen hash brown patties
- 1 cup shredded sharp cheddar cheese
- 1 cup shredded Monterey Jack cheese
- 1.5 cups diced ham
- 9 large eggs
- 1 cup whole milk
- 1/2 teaspoon salt
- 1/2 teaspoon dry ground mustard (optional but recommended)
- 1/4 teaspoon garlic powder
- 2 scallions (diced)
Instructions
- Preheat the oven to 350°F (175°C) and grease a 9×13 baking dish.
- Arrange hash brown patties in a single layer at the bottom of the dish.
- Sprinkle cheeses, diced ham, and scallions evenly on top of the hash browns.
- In a mixing bowl, whisk together eggs, milk, salt, mustard (if using), and garlic powder until well combined.
- Pour the egg mixture over the layered ingredients in the baking dish.
- Cover with foil and bake for 25 minutes; then remove foil and bake for an additional 20 minutes or until golden brown.
- Let cool for 5-10 minutes before slicing and serving.
Nutrition
- Serving Size: 1 slice (approximately 140g)
- Calories: 320
- Sugar: 2g
- Sodium: 600mg
- Fat: 18g
- Saturated Fat: 8g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 24g
- Fiber: 2g
- Protein: 15g
- Cholesterol: 260mg








