Baked Hot Dog Sandwiches

8 hot dogs, chopped

⅔ cup shredded Cheddar cheese

3 tablespoons pickle relish

3 tablespoons ketchup

2 teaspoons prepared mustard

3 tablespoons chopped onion

8 hot dog buns

Preheat an oven to 325 degrees F (165 degrees C).

Stir the hot dogs, Cheddar cheese, relish, ketchup, mustard, and onion together in a bowl; spoon into the hot dog buns. Wrap each sandwich in aluminum foil.

Bake in the preheated oven until hot, about 20 minutes. Serve immediately.