Do I have to soak the beans overnight?

Yes. These are raw beans (not canned) and they need to be rehydrated before cooking. To speed up the process, you can bring the beans to a boil in a pot of water and cook for45 minutes. Drain and then add the new cooking liquid and proceed with the...

How do you reheat this bean soup?

You can reheat it right on the stove over low-medium heat or in the microwave for a couple of minutes. Just be mindful to add more stock/broth if needed.