Instructions Put 5 cups of vegetable broth and all remaining ingredients into a large pot and cook until vegetables are done, about 20-30 minutes. If the soup seems too thick, add more broth. Taste and adjust seasonings before serving. This can also be made with 2 pounds of whatever fresh vegetables you have in the house. Put 5 cups of vegetable broth and all remaining ingredients into a large pot and cook until vegetables are done, about 20-30 minutes. If the soup seems too thick, add more broth. Taste and adjust seasonings before serving. This can also be made with 2 pounds of whatever fresh vegetables you have in the house.