Add in the sliced potatoes - drain them first. Pork chops are done when they easily come apart with a fork. Divide up and serve. If the chops have a lot of fat on them - trim before cooking. You can do this with chicken breast fillets too.
Chunks are fine.
With the chicken - 15 minutes is long enough to cook once you have browned it and added the soup. Should serve 4. You could use baby peas with the green beans and potatoes. I love peas and beans mixed together. We drank a lot of eggnogs.