Substances:
- ¼ cup mayonnaise
- 1½ tbsp. candy jam relish
- 1 tbsp. ketchup
- ¼ tsp. Worcestershire
- 1 tbsp. unsalted butter
- 4 oz. thinly sliced roast crimson meat
- 4 skinny slices yellow onion
- 2 oz. cooked salami, ideally Hatfield's
- 3 slices white American cheese
- 2⅝″-thick slices tomato
- 1 4″ kaiser roll