01 -
Preheat the oven to 190°C (375°F). Spray a 9x13 inch baking dish with non-stick cooking spray.
02 -
Place the tater tots, diced ham, 1 cup of shredded cheddar, and 1 cup of shredded mozzarella into the prepared baking dish. Mix together evenly using your hands.
03 -
In a large bowl, whisk together the eggs, milk, sour cream, salt, pepper, garlic powder, onion powder, and hot sauce if using until fully combined.
04 -
Pour the whisked egg mixture over the tater tot and ham mixture in the baking dish.
05 -
Bake in the preheated oven for 45 minutes, or until golden brown on top.
06 -
Sprinkle the remaining 1/2 cup of cheddar cheese over the baked casserole and return it to the oven for an additional 5 minutes, or until the cheese is melted.