Place Italian sausage and onion into the cooking bowl. Press the SAUTE button. Cook and stir 8 to 10 minutes or until meat is cooked and onion is tender. Remove bowl from base; discard drippings from pan.
Add remaining ingredients to cooking bowl; stir to combine.
Cook, covered on SLOW COOK setting 5 to 6 hours.
TIP: Serve with a crisp side salad and Italian bread.