PREPARATION
Preheat oven to 350°. Grease a 9×13 baking dish.
Combine the first 6 ingredients in a large bowl, stirring to combine.
Pour the mixture into prepared pan and top with 1 cup cheddar cheese and 1/4 cup mozzarella cheese.
Spread the tater tots on top of the cheese layer and bake for 30 minutes.
Sprinkle the remaining cheese on top of the baked casserole and bake for an additional 10 minutes or until the cheese is slightly crispy on top.