Preheat a grill or stovetop griddle over medium heat.
Grill the hot dogs for 5-7 minutes, turning occasionally, until cooked through and slightly charred.
Warm the hot dog buns on the grill for 1-2 minutes.
In a saucepan, heat the ketchup and mustard over low heat until warmed through.
Assemble the hot dogs by placing one cooked hot dog in each bun.
Top each hot dog with a spoonful of relish, chopped onions, and shredded cheddar cheese.
Drizzle the warm ketchup and mustard over the hot dogs.
Serve immediately and enjoy your delicious and authentic American hot dogs!
Notes
Storage:Hot dogs can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, microwave or stir-fry in a pan until warmed through. Buns and toppings should be stored separately.