Hearty Bacon & Hash Brown Breakfast Casserole (Feeds a Crowd!)

Breakfast casseroles are kind of my thing – especially when I’ve got a hungry crew to feed and not a lot of time to fuss in the morning. This Bacon, Egg, and Hash Brown Casserole has been on repeat at our house for years. It’s simple, hearty, and full of the good stuff like crispy bacon, cheesy potatoes, and fluffy eggs. Honestly, it’s the kind of meal that disappears fast (especially when my kids catch a whiff of it baking).

What I love most about this recipe is how flexible it is. You can prep it the night before, which is a total lifesaver if you’re hosting brunch or just don’t wanna deal with early morning cooking. I’ve thrown it together for holidays, lazy Saturdays, even breakfast-for-dinner nights. And it always turns out great – even if I eyeball the cheese a little too generously sometimes (oops!).

I’ve included chopped red and green peppers for a little color and flavor, but feel free to switch things up based on what you have on hand. This one’s easy to customize and even easier to enjoy. Hope it makes your morning a little more delicious, like it has for us!

Equipment

• Measuring cups and spoons
• Cutting board
• Knife
• Large skillet
• Tongs
• 9×13 inch casserole dish
• Large spoon
• Silicone spoon
• Medium bowl
• Whisk

Ingredients

• 26 oz bag shredded hash browns, thawed – Make sure the hash browns are fully thawed so they bake up nice and golden instead of soggy.
• ½ pound bacon – cooked and crumbled – Cook the bacon to your preferred crispness – then crumble it up for that salty, savory bite in every slice.
• ½ cup red bell pepper, diced – Red bell pepper adds a pop of sweetness and color to the casserole.
• ½ cup green bell pepper, diced – Green bell pepper brings a little crunch and earthiness to balance out the richness.
• 2 cups shredded cheddar cheese, divided – Use a sharp cheddar for the best flavor – half gets mixed in, the rest goes on top for that cheesy finish.
• 8 large eggs – The eggs bind everything together and give the casserole its fluffy, baked texture.
• 1 cup milk – A splash of milk helps the eggs stay light and creamy as they bake.
• ½ tsp garlic – Just a little garlic gives the dish a cozy, savory depth without overpowering it.
• ½ tsp salt – A bit of salt to bring all the flavors together – feel free to adjust to taste if your bacon is extra salty.
• ¼ tsp black pepper – Adds a subtle kick to round things out.
• Fresh parsley, chopped, to serve – Sprinkle fresh parsley on top for a little color and freshness before serving.

Step-by-Step Instructions

You can find a printable recipe card at the bottom of this post.

1. Preheat the oven to 350 degrees.

2. Grease a 9×13 inch casserole dish.

3. Dice the peppers.

4. Chop the bacon, then cook it until your desired crispness. Drain the grease.

5. In a large bowl, combine the hash browns, bell peppers, bacon and 1 ½ cups of the cheese, then pour into the prepared casserole dish.

6. Beat the eggs and milk in a medium bowl. Pour evenly over the other ingredients that you poured into the casserole dish.

7. Sprinkle the remaining cheese over the top.

8. Bake for 55-65 minutes, or until the eggs are cooked through.

9. Top with fresh parsley to serve.

Tips for the Perfect Bacon & Hash Brown Breakfast Casserole

1. Thaw Your Hash Browns Completely
If your hash browns are still partially frozen, they’ll release extra moisture and make the casserole watery. Let them thaw fully in the fridge or on the counter for the best texture.

2. Cook the Bacon Until Crispy
Crispy bacon adds the most flavor and holds up better in the casserole as it bakes. If it’s too soft, it can get a little lost in the mix.

3. Don’t Skip Greasing the Pan
Even if you’re using a nonstick dish, a light coating of cooking spray or butter helps everything release cleanly and makes cleanup way easier.

4. Whisk the Eggs and Milk Well
Make sure your egg mixture is smooth and well-blended – this helps it cook evenly and gives the casserole that light, fluffy texture.

5. Use Freshly Shredded Cheese (If You Can!)
Pre-shredded cheese works just fine, but shredding your own melts smoother and gives a richer flavor.

6. Let It Rest Before Slicing
Once it’s out of the oven, give it about 5 minutes to set up. This makes it easier to slice and serve (plus it won’t burn your mouth!).

7. Make It Ahead
You can prep the entire dish the night before – just cover and refrigerate, then bake it fresh in the morning. So easy for holidays or busy mornings!

8. Customize to Your Crowd
Feel free to swap in cooked sausage, turkey bacon, or different veggies like spinach or mushrooms depending on your family’s tastes.

 

Get Creative!

Try Different Meats
Swap the bacon for crumbled breakfast sausage, diced ham, or even veggie sausage if you’re looking for something meatless.

Add More Veggies
This casserole is a great way to sneak in extra veggies – think chopped spinach, mushrooms, zucchini, or even jalapeños for a little heat.

Change Up the Cheese
Cheddar is classic, but feel free to experiment with Monterey Jack, pepper jack, mozzarella, or a little feta for a tangy twist.

Spice It Up
Add a pinch of cayenne, smoked paprika, or hot sauce to the egg mixture if you like a bit of kick.

Make It Southwestern
Toss in some black beans, corn, and a sprinkle of taco seasoning, then top with salsa and avocado before serving.

Mini Casseroles for Brunch Parties
Divide the mixture into muffin tins or ramekins for individual servings – perfect for brunches or meal prepping!

Top It Off
Serve with sour cream, salsa, hot sauce, or even a drizzle of hollandaise if you’re feeling fancy.

Serving & Storing

Serve It Warm
This casserole is best served warm, fresh out of the oven. It’s hearty and filling on its own, but also pairs nicely with fresh fruit, toast, or a light green salad if you’re making it part of a brunch spread.

Perfect for Meal Prep
Leftovers reheat really well! Just pop a slice in the microwave for 30–60 seconds, or warm it in the oven at 300°F until heated through.

Store in the Fridge
Let the casserole cool completely, then cover tightly or transfer to an airtight container. It’ll keep in the fridge for up to 4 days.

Freeze for Later
You can also freeze individual portions for easy breakfasts later on. Wrap each slice in plastic wrap and store in a freezer bag or container for up to 2 months. Thaw overnight in the fridge before reheating.

Make-Ahead Instructions
To prep ahead, assemble the casserole fully (before baking), cover, and refrigerate overnight. In the morning, uncover and bake as directed – no need to adjust the baking time!