Step 1

Fill a large pot fitted with a steamer basket with 1 to 2 inches of water. Cover with a tightly fitting lid and bring to a boil. Add the hot dogs to the steamer basket, cover and steam until the hot dogs are heated through, about 5 minutes. Add the buns to the pot, cover and steam the buns until they are warm, about 1 minute.

Step 2

Remove the buns from the pot and drizzle the inside of each with mustard. Top each with a hot dog, then nestle one pickle wedge on one side of each hot dog and 2 tomato wedges on the other side. Top with more mustard and relish, onions and peppers and sprinkle with celery salt.