Using a couple cupfuls of re-fried beans (from cannery), depending how many you need to serve, add:
Water, spices, (I use garlic, onion, salt, pepper) Bullion makes it tasty.
Any veggies, either dehydrated, fresh (cooked) canned, leftovers, potatoes, beans, tomatoes, and or tomato juice, meat such as chicken or beef.
Place in crock pot or large pot and simmer....30 minutes to 1 or 2 hours.
Check to see if more liquid is needed as the beans soak it up. You can have the soup as thick or thin as you like.