Preheat oven to 375°F degrees.
Spray baking dish with cooking spray.
Cook ground meat in large skillet.
Drain excess fat from cooked meat.
Add pizza sauce to meat mixture.
Season with Italian seasoning, salt, pepper.
Layer meat mixture in baking dish.
Sprinkle both cheeses over meat layer.
Add pepperoni, peppers, and onions evenly.
Top with frozen tater tots completely.
Cover with foil and bake 25 minutes.
Remove foil and bake 15 more minutes.
Let cool for 5 minutes before serving.