8 hot dogs, cut into 1/2-inch slices
2 (15-ounce) cans chili (either with or without beans)
3/4 cup ketchup
1 teaspoon Worcestershire
1/2 medium onion, finely chopped
1/4 teaspoon crushed red pepper flakes
2 1/2 cups shredded cheddar cheese, divided
1 (28-ounce) bag frozen tater tots
Preheat oven to 350 degrees and spray a 9×13-inch pan with cooking spray. In a large bowl, combine sliced hot dogs, chili, ketchup, Worcestershire sauce, onion, and red pepper flakes. Mix well.
Transfer mixture to prepared pan. Sprinkle 1 1/2 cups cheese on top. Spread tater tots on top of cheese layer. Bake for 30 minutes. Sprinkle remaining 1 cup cheese on top and bake another 10 minutes.