Step 1

Preheat oven to 350 degrees and spray a 9x13-inch pan with cooking spray.

Step 2

In a large bowl, combine sliced hot dogs, chili, ketchup, Worcestershire sauce, onion, and red pepper flakes. Mix well.

Step 3

Transfer mixture to prepared pan.

Step 4

Sprinkle 1 1/2 cups cheese on top.

Step 5

Spread tater tots on top of cheese layer.

Step 6

Bake for 30 minutes.

Step 7

Sprinkle remaining 1 cup cheese on top and bake another 10 minutes.