Pasta e Fagioli (Pasta and Bean Soup)

Pork fatback

Italian parsley

Spanish onion, medium

Chicken stock

Tomato paste

Pasta scraps from making fresh pasta, dried

Salt and freshly ground black pepper

Olive oil, extra virgin

Cooked barlotti beans or kidney beans (rinsed and drained if canned)

Parmigiano (for garnish)