Macaroni Salad with Smoked Mozzarella and Proscuitto

INGREDIENTS

1 16 ounce package

medium shell macaroni

1/2 cup

red onion, chopped

1 1/2 cups

celery, chopped (about 3 ribs)

1/2

red bell pepper, seeded and chopped

1 cup

pepperoncini, thinly sliced

1 cup

prosciutto, sliced

1/2 lb

smoked mozzarella, sliced in ¼-inch chunks

3 tbsp

capers, drained

1/2 cup

Italian flat leaf parsley, chopped

1 1/2 cups

mayonnaise

1/2 cup

buttermilk (low fat if preferred)

1/4 cup

pepperoncini juice (or more to taste)

1 tbsp

red wine vinegar

1 tsp

sugar

1 tsp

salt

1 1/2 tsp

pepper