Preheat oven
Preheat oven to 400°F (200°C). Lightly grease a 9×13-inch baking dish.
Cook the meat
In a skillet over medium heat, cook ground meat with Italian seasoning, garlic powder, salt, and pepper until browned. Drain excess fat.
Assemble casserole
Spread cooked meat evenly in the baking dish. Pour pizza sauce over the top.
Add toppings & cheese
Sprinkle shredded mozzarella and add desired toppings.
Add tater tots
Arrange frozen tater tots evenly on top.
Bake
Bake uncovered for 30–35 minutes, until tater tots are golden and crispy.
Serve
Let rest for 5 minutes before serving.