Baked Hot Dogs in the Oven

Ingredients:

1/2 cup chopped onion
1 tablespoon butter
1/2 teaspoon black pepper
1 teaspoon prepared mustard
1 teaspoon paprika
1/2 cup ketchup
1/4 cup vinegar
1/2 cup water
4 teaspoons Worcestershire sauce
12 hot dogs

Instructions: