Preheat oven to 425°.
Brown ground beef in large skillet.
Season beef as desired with salt & pepper.
Stir in onion and allow to cook for 3-5 minutes.
Stir in soup, ketchup and Worcestershire sauce.
Remove from heat.
Lightly spray 9” x 13” baking dish with cooking spray.
Spoon meat mixture into the center of the baking dish.
Arrange tater tots along the inside edge of the baking pan.
Season tater tots with seasoning salt.
Bake for 25 minutes.
Add cheese on top after 23 minutes, and bake for the remaining 2 minutes.
Garnish with a drizzle of ketchup, if desired.