Salmon Salad Rolls

Name: Salmon Salad Rolls
Cook time: 15 min
Total time: 15 min
Ingredients: 1/2 cup plain, low-fat Greek yogurt; 2 inner celery ribs with leaves, finely chopped; 2 tablespoons chopped chives; 2 tablespoons chopped flat-leaf parsley; 1 tablespoon fresh lemon juice; Salt; Freshly ground pepper; 1 1/2 pounds roast salmon, flaked (4 loose cups); 8 hot dog buns; Melted unsalted butter, for brushing; Potato chips, for serving