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Tater Tot Breakfast Casserole (Make-Ahead!)

This Tater Tot Breakfast Casserole has super creamy eggs, bacon (or sausage), and 2 kinds of cheese! It’s easy to make ahead of time and is perfectly freezer-friendly!

Be sure to try my Breakfast Tacos and Egg Muffin recipes next!A slice of tater tot breakfast casserole on a white plate with a fork and orange juice in the background.

Tater Tot Casserole Ingredients

  • Bacon– You could also cook and crumble 1/2 lb. breakfast sausage, casings removed
  • Onions
  • Bell Peppers– Green blends really well in this casserole
  • Eggs
  • Sour Cream– The secret to extra creamy eggs
  • Milk– or half and half for extra indulgence
  • Feta Cheese– This blends really well into this casserole
  • Cheddar Cheese– I love using Hot Habanero Cheddar Cheese for a kick!
  • Tater Tots– Frozen
  • Green Onions– To garnish

Optional Additional Ingredients Include:

  • Mushrooms
  • Spinach
  • Cherry Tomatoes
  • Sun-Dried Tomatoes
  • Caramelized Onions
  • Gruyere, Mozzarella, or Gouda Cheese

☝️ See how the top of the whisked eggs have a foamy/frothy top? Those are air pockets from vigorous whisking and will give you extra fluffy eggs, especially if baked right away.

Make-Ahead Method

  • Assemble casserole as instructed, but wait on adding the frozen tater tots until just before baking.
  • Cover and refrigerate for up to 2 days.
  • Let it sit out for 10 minutes prior to baking.

A white casserole dish with tater tot breakfast casserole topped with bacon.

Freezing Unbaked Breakfast Casserole

Yes, this is possible!

  • Assemble the casserole (except for the tater tots). Cover tightly with foil, and freeze for up to 2 months.
  • Let it defrost in the fridge overnight.
  • Let it sit out for 10 minutes. Top with Tater Tots and bake!

Tater tot breakfast casserole in a white casserole dish with a slice taken out of it.

Storing Leftovers

  • Leftovers should be stored in an airtight container in the fridge and are best if eaten within 3 days. 
  • Reheat leftovers in a 350° oven until heated through, about 20-25 minutes.
  • You can also freeze leftovers for 3-4 months. I like wrap portion sizes in foil and store them in a labeled freezer bag.
  • Let frozen leftovers thaw in the fridge overnight prior to reheating in the oven.

A Fun Way to Use up Leftovers

  • Reheat, scramble it up a bit, and load up a flour tortilla for breakfast burritos!

A piece of tater tot breakfast casserole with a bite taken out of it on a white plate with a fork.

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Tater Tot Breakfast Casserole

5 from 5 ratings
This Tater Tot Breakfast Casserole has super creamy eggs, bacon and 2 kinds of cheese! It's easy to make ahead of time and is perfectly freezer-friendly!


  • 5 strips bacon
  • 1/2 cup white onion, diced
  • ½ cup green bell pepper, diced
  • Salt/Pepper, to taste
  • 9 large eggs
  • ¼ cup sour cream, at room temp
  • ½ cup milk
  • ½ teaspoon cayenne pepper
  • 1/3 cup feta
  • 1 cup Cheddar cheese, shredded
  • 3 cups frozen tater tots

To Garnish

  • 3 green onions, diced


  • Preheat the oven to 375 degrees F.
  • Cook the bacon in a large skillet over low heat until crispy on each side.
  • Set the bacon aside. Once cool enough to handle, roughly chop it.
  • Reserve 1 Tablespoon of the bacon grease in the pan and drain the rest.
  • Heat the onions and peppers in the bacon drippings for 3 minutes over medium heat. Season lightly with salt and pepper.
  • Crack the eggs in a large bowl. Whisk vigorously with a fork or whisk to create a foamy consistency. These are air pockets that make the eggs fluffy.
  • Beat in the sour cream and milk until well-incorporated. Season with salt, pepper, and cayenne pepper.
  • Pour the egg mixture into a lightly greased 9 x 13 casserole dish.
  • Sprinkle the feta over the eggs, then the bacon, onions, and peppers. Note: You may want to reserve a little bit of bacon to garnish the top of the casserole with.
  • Top with grated cheddar, then with the tater tots.
  • Bake uncovered for 40 minutes, until the tater tots are crisp.
  • Let it sit for 5 minutes.
  • Top with diced green onions, serve, and enjoy!


I love using Cabot Hot Habanero Cheddar Cheese on top of this casserole and recommend it if you like a little kick!

The Tater Tots will sink into the egg mixture slightly, (this is fine!)- I like to position some tater tots on top of others so that they peek through the top without sinking down!

Optional Additional Ingredients Include:

  • Mushrooms
  • Spinach
  • Cherry Tomatoes
  • Sun-Dried Tomatoes
  • Caramelized Onions
  • Gruyere, Mozzarella, or Gouda Cheese


Calories: 423kcal, Carbohydrates: 21g, Protein: 19g, Fat: 30g, Saturated Fat: 12g, Cholesterol: 292mg, Sodium: 717mg, Potassium: 414mg, Fiber: 2g, Sugar: 3g, Vitamin A: 848IU, Vitamin C: 17mg, Calcium: 263mg, Iron: 2mg
Did you try this recipe?Mention @TheCozyCook on Instagram or tag #thecozycook!

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14 comments on “Tater Tot Breakfast Casserole (Make-Ahead!)”

  1. Hi there! I was wondering, if i doubled this recipe would it all still fit in 1 9×13 pan or would I need another pan? I want to serve 10-12 guests. Thanks!! 

  2. Hi Stephanie..I don’t enjoy cooking but I like to eat so I’m always in search of recipes that are fairly easy to feed my mom and husband..I have a few questions..If I add the cherry tomatoes and baby spinach to this recipe, how much of each would I use? Also, would I saute the spinach in with the onions and peppers?

    • Hi Steph! You can add about 3/4 cup halved cherry tomatoes, they would get added in step 7. If you add spinach, you are correct, you’d want to sauté them with the onions and peppers, I would use a good 2 cups, it’ll shrink down significantly. Enjoy!! Over time, I bet you’ll like cooking more and more! 🙂

  3. Another home run! Everything I have ever made from your site has been so good and it was also true with this one. You make it so easy to try new things that don’t cost LOTS of money and that is also a big win! I look forward to your weekly menus to help me with dinner for the week! Thank you so much and keep up the good work!

    • Thank you sooo much for the great comments Julie! You described exactly what my goal is with the blog and it makes me so happy💖 Thanks so much for your support!

  4. Haven’t tried this yet, but planning to do it this weekend. We will have to leave out the feta cheese because my husband doesn’t think he likes it. Sigh.
    I just want to say that I am sure this will be a hit. We can find a lot of good recipes all over the Internet. But sometimes something looks good and it turns out to be a swing and a miss.
    And I just want you to know that every single recipe I have tried from your website has been a hit. I have tried recipes that I never thought about, but because every other recipe from your site has been a winner, I had no worries about coming up with a dud!
    This is definitely my go-to site when I want something delicious for our menu.

  5. Its a great breakfast and my family loves it. If our family is having a get together where we need a breakfast this is what we use.Thanks so much for the recipe.

    • You’re very welcome Gwen, I’m so happy your family is enjoying this one! I make if for special occasions too. Thanks so much for taking the time to leave a review!💕

  6. I have made this recipe several times for family and it’s always a HUGE hit, we never have any leftover. Thank you for this great recipe!

  7. Have family coming this week for a visit. Going to make this. Perfect timing to share this.

    • Hey Stacey! I’m PSYCHED that this came out in time for your family visit!! I’m SURE they are going to love it! I’d love to hear what you think! Enjoy their visit!! -Stephanie 😁

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