Ingredient:

• 3 pounds small red potatoes, halved
• 1 carton (12 ounces) refrigerated tzatziki sauce
• 2 celery ribs, thinly sliced
• 1/2 cup plain Greek yogurt
• 2 green onions, chopped
• 2 tablespoons snipped fresh dill
• 2 tablespoons minced fresh parsley
• 1/2 teaspoon salt
• 1/4 teaspoon celery salt
• 1/4 teaspoon pepper
• 1 tablespoon minced fresh mint, optional