Ingredients

1 tablespoon grainy mustard

2 teaspoons white-wine vinegar

Coarse salt and ground pepper

1/4 sweet onion (such as Vidalia), thinly sliced

1 Kirby cucumber, cut into thin strips

1 tomato, halved, seeded, and thinly sliced

1/2 cup celery leaves

2 tablespoons chopped sport pepper or peperoncini

4 beef hot dogs

4 hot dog buns, grilled

4 pickle spears

Relish

Preparation

In a medium bowl, whisk together mustard and white-wine vinegar; season with salt and pepper. Add sweet onion, cucumber, tomato, celery leaves, and sport pepper; toss to combine.

Grill hot dogs over medium-high heat until charred and heated through, 6 to 8 minutes. Serve hot dogs in grilled hot dog buns and top each with a pickle spear and relish.