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Ultimate Cheesy Tater Tot Breakfast Casserole (Make-Ahead Friendly)

Close-up of a hearty slice of Tater Tot Breakfast Casserole featuring layers of sausage, eggs, melted cheddar, and red peppers.

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This recipe provides instructions for a hearty, easy-to-assemble breakfast casserole using tater tots, eggs, cheese, and sausage. It is suitable for feeding a crowd and can be prepared the night before baking.

Ingredients

Scale
  • 1 (32 ounce) bag frozen tater tots
  • 1 pound breakfast sausage, cooked and drained
  • 1 cup chopped onion
  • 1 cup chopped green bell pepper
  • 12 large eggs
  • 1 cup milk
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon garlic powder
  • 2 cups shredded cheddar cheese, divided

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Lightly grease a 9×13 inch baking dish.
  2. Arrange half of the frozen tater tots in a single layer on the bottom of the prepared baking dish.
  3. Spread the cooked sausage, chopped onion, and bell pepper evenly over the layer of tater tots.
  4. Sprinkle 1 cup of the shredded cheddar cheese over the sausage and vegetables.
  5. Top with the remaining tater tots, arranging them as evenly as possible.
  6. In a large bowl, whisk together the eggs, milk, salt, pepper, and garlic powder until well combined.
  7. Slowly pour the egg mixture evenly over the tater tots in the baking dish. Gently press down on the tots to help them absorb some liquid if necessary.
  8. Cover the dish tightly with aluminum foil.
  9. Bake for 45 minutes covered.
  10. Remove the foil and sprinkle the remaining 1 cup of cheddar cheese over the top.
  11. Return the casserole to the oven, uncovered, and bake for another 10 to 15 minutes, or until the eggs are set and the cheese is melted and lightly golden.
  12. Let the casserole rest for 5 minutes before slicing and serving.

Notes

  • For a make-ahead version, assemble the casserole completely (steps 1 through 5), cover tightly, and refrigerate for up to 12 hours. When ready to bake, add 10 to 15 minutes to the initial covered baking time to account for the cold temperature.
  • If you prefer bacon, substitute 1 pound of cooked, crumbled bacon for the sausage.
  • To help the bottom layer of tots crisp, you can lightly bake the bottom layer of tots alone for 10 minutes before adding the other ingredients, though this is optional.

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