Add the sausage to a large pot. Cook on low while you wash and trim the green beans.
Add in the green beans and then wash and scrub the potatoes. Dice potatoes and add them to the pot.
Dice your onion and add it to the pot as well.
Add in everything else and bring to a boil over medium-high heat. Reduce to a simmer and let it cook for 2 hours.
Alternatively You can make this soup in the slow cooker by adding all of the ingredients to the pot and cooking on low for 10-12 hours or high for 5-6 hours.