Tater Tot Breakfast Casserole Recipe

Name: Tater Tot Breakfast Casserole Recipe
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Ingredients: 4 cups tater tots; 6 slices bacon (cut into 1” pieces); 6 sausage patties (cubed); 1 ½ cups bell peppers (I used shishito peppers, diced); 1 small jalapeño (thinly sliced, optional); 2 cups mozzarella cheese (divided); 1 large onion (diced); ¾ cup green onions (chopped); 8 eggs; 1 ½ cup whole milk; ½ tbsp kosher salt

This Tater Tot Breakfast Casserole has everything I love about a big breakfast, all baked in one pan. The eggs stay soft, the cheese melts just right, and the tots get perfectly crisp on top. It’s comfort food that never disappoints. Easily prep it ahead!

Jump to Recipe

large skillet with baked eggs and cheese next to sliced avocado, greens, and plates

Why This Recipe Works

I make this Tater Tot Breakfast Casserole when I want something hearty, easy, and guaranteed to make everyone happy. Here’s what makes it special:

Comfort in Every Bite: The mix of crispy tater tots, smoky bacon, and melty mozzarella hits all the cozy notes. It’s that same warm, satisfying vibe I love in my Croissant French Toast Bake but deliciously savory.
Perfect for a Crowd: This casserole feeds a group without any extra effort. Just layer, bake, and serve—it’s ideal for brunches, holidays, or lazy Sunday mornings.
Make-Ahead Friendly: You can prep most of it the night before, then just add the tots and eggs in the morning. It’s a lifesaver when you want a homemade breakfast without the early wake-up call.
Crispy and Creamy Texture: The top stays golden and crisp while the eggs bake up soft underneath. That mix of crunch and creaminess is what makes every bite so good.
Versatile and Fun: You can swap in different meats, veggies, or cheeses depending on what you have. It’s flexible, just like my Baked Prosciutto and Egg Breakfast Tart, which also lets you get creative with flavors.

individual white bowls holding tater tots, raw bacon, raw sausage, eggs, cheese, milk, peppers, and onions

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womans hand taking a scoop of an egg casserole out of a large skillet

Ingredients

Tater Tots – The crispy base of the casserole that gives it that golden, crunchy top. You can use frozen tots straight from the bag—no need to thaw.
Bacon – Adds a smoky, salty flavor that balances the richness of the eggs and cheese. Turkey bacon works too if you prefer something lighter.
Sausage Patties – Brings hearty, savory flavor to the dish. You can use breakfast sausage links or ground sausage instead.
Bell Peppers – Add color, sweetness, and a bit of freshness. I like using shishito peppers for a mild flavor, but any bell pepper works.
Jalapeño – Optional, but great if you want a little heat. You can leave it out or swap for a pinch of red pepper flakes.
Mozzarella Cheese – Melts beautifully and gives the casserole a creamy texture. Cheddar or Monterey Jack are good substitutes.
Onion – Adds depth and a touch of sweetness once sautéed with the bacon. Yellow or white onions both work well.
Green Onions – Used for both flavor and garnish, they add a mild, fresh bite that brightens the dish.
Eggs – The binding element that holds everything together and gives the casserole its soft, custardy texture.
Whole Milk – Keeps the eggs light and creamy. You can use half-and-half for a richer result or 2% milk if that’s what you have.

For full list of ingredients and instructions, see recipe card below.

Instructions

Cook Bacon and Onion: In an oven-safe heavy-bottomed pan (like a 3.5 qt Le Creuset or 12″ skillet), add bacon, diced onion, and ½ teaspoon salt. Sauté over medium-high heat for about 7 minutes until the bacon is crisp and the onions are soft.
Add Sausage and Peppers: Stir in the chopped sausage, diced bell peppers, and another ½ teaspoon of salt. Cook for 3 minutes until everything is lightly browned and fragrant.

Whisk Eggs and Milk: In a mixing bowl, whisk together the eggs, 1½ teaspoons salt, and milk until smooth and combined. Set aside.
Layer Cheese and Tater Tots: Sprinkle 1 cup of mozzarella cheese over the cooked bacon, sausage, onion, and peppers. Arrange tater tots in a circular pattern on top until the pan is filled.

Add Egg Mixture: Pour the egg and milk mixture evenly over the tater tots. Sprinkle ½ cup of chopped green onions on top.
Bake: Place the pan uncovered on the top rack and bake for 20–25 minutes until the eggs are set.

Add Toppings: Remove from the oven, sprinkle the remaining 1 cup of mozzarella cheese, and top with sliced jalapeños if using. Bake for another 5 minutes until the cheese is melted and bubbly.
Finish and Serve: Remove from the oven and top with the remaining ¼ cup of green onions. Spoon onto plates and serve hot with a side salad and your favorite hot sauce.

For full list of ingredients and instructions, see recipe card below.

Substitutions & Variations

Here are some of my favorite substitutions and variations:

Protein Options: I like using both bacon and sausage for a mix of flavor, but you can stick with just one if you prefer. Try diced ham, turkey sausage, or even leftover rotisserie chicken for something different.
Cheese Choices: Mozzarella melts beautifully, but cheddar, pepper jack, or Monterey Jack all work great too. You can even mix a few for extra cheesiness.
Veggie Add-Ins: I love adding diced mushrooms, spinach, or zucchini for more color and texture. Just sauté them first so they don’t release too much moisture.

What to Serve with Tater Tot Breakfast Casserole

Other Brunch Favorites

This hearty casserole pairs perfectly with something warm and buttery on the side. We love serving it with Bacon and Cheddar Breakfast Biscuits for a cozy, savory breakfast spread.
For a touch of sweetness, try it alongside Easy Oven Baked French Toast or a slice of Air Fryer Yogurt Custard Toast. If you’re planning a brunch table, Khachapuri (Georgian Cheese Bread) makes a fun and cheesy addition.

Salads

A fresh salad balances the richness of this casserole beautifully. We often pair it with a crisp Cobb Salad for a complete brunch plate.
If you’re serving it for lunch or dinner, try it with Creamy and Easy Potato Salad with Pickles, Mustard Potato Salad, or Creamy Grilled Smashed Potato Salad for a comforting, family-style meal.

FAQs

Can I make this casserole vegetarian?

Absolutely. Skip the bacon and sausage and add more veggies like mushrooms, spinach, or diced zucchini. You can also use a plant-based sausage or bacon alternative for a similar flavor.

Do I need to thaw the tater tots first?

No, you can use frozen tater tots straight from the bag. They’ll bake up perfectly crisp on top while the casserole cooks underneath.

Can I make this ahead of time?

Yes. Assemble everything except the eggs and tater tots the night before, then store the casserole and egg mixture separately in the fridge. In the morning, add the frozen tots, pour in the eggs, and bake as directed.

How long does it keep?

Store leftovers in an airtight container in the fridge for up to 3–4 days. To freeze, place the cooked casserole in a freezer-safe dish for up to 3 months. Reheat in a 300°F oven for about 10 minutes or until warmed through.

More Breakfast Recipes You’ll Enjoy

Spicy Bacon and Eggs Breakfast Burritos – Spicy Bacon and Eggs Breakfast Burritos are rich, filling, and layered with Mexican flavors. Easy to freeze for no-hassle weekday breakfasts.
Freezer Breakfast Sandwiches – Freezer breakfast sandwiches are the ultimate solution for busy mornings! Prep this 30-minute recipe ahead for hearty breakfasts all week.
Soft Scrambled Eggs With Cheese – These soft scrambled eggs with cheese are the ultimate creamy, cheesy brunch! Infused with Boursin, they’re equal parts cozy and elegant.
Crispy Classic Potato Latkes Recipe – This 5-ingredient Crispy Classic Potato Latkes Recipe with creamy dill sauce is perfect for Hanukkah, breakfast, or an appetizer.

If you try this Tater Tot Breakfast Casserole recipe, let me know what you think! Rate and review this recipe in the comments below. Don’t forget to take a picture and tag me on Instagram @lenaskitchenblog!