Next, stir in the black beans, corn, crushed tomatoes, cooked chicken and chicken stock. Give the soup a good stir, bring it to a boil, then lower the heat and let the soup simmer gently for 20 to 25 minutes.
1 can (14 oz / 400g) black beans
1 can (14 oz / 400g) crushed tomatoes
4 cups chicken stock
½ cup frozen corn