Breakfast casserole is a filling, delicious breakfast to serve, especially when you are feeding a crowd. This easy homemade tater tot breakfast casserole with tots, sausage, peppers, onions, cheese, and eggs is always a hit! Everyone will ask for the recipe, and you’ll end up with an empty pan!
Preheat oven to 350 degrees F. Spray a 9"x13" baking dish with non-stick cooking spray; set aside.
Heat a large skillet over medium-high heat. Add sausage, onions and bell peppers mix and cook while crumbling the sausage until the sausage is cooked through and veggies are tender. Add garlic and sauté 30 seconds. Drain grease and add the mixture to the baking dish. Set aside to cool slightly.
In large bowl whisk together all of the Egg Mixture ingredients; set aside
Add half of the tater tots to the baking dish with the sausage and half of both cheeses (¾ cup each cheese). Stir everything to combine then spread into an even layer.
Pour Egg Mixture over the sausage mixture, then sprinkle remaining tater tots over top.
Bake uncovered in preheated oven for 70-80 minutes or until eggs are set. Remove from the oven and sprinkle with remaining cheeses. Return to the oven and bake an additional 5-10 minutes to melt the cheese. Remove from oven and sprinkle with chopped chives or green onions if desired. Enjoy!
Overnight Recipe Instructions
Assemble the breakfast casserole according to recipe instructions but DON’T add the tater tops on top. Keep this half of the tater tots frozen until ready to use.
Tightly cover with plastic wrap and refrigerate unbaked casserole overnight.
When ready to bake, remove plastic wrap and let sit at room temperature for 30 minutes before cooking.
Add the remaining half of frozen tater tots and bake according to recipe directions, adding an additional 10-15 minutes as needed.