Island Kielbasa in a Slow Cooker

2 pounds kielbasa sausage, sliced into 1/2 inch pieces

2 cups ketchup

2 cups brown sugar

1 (15 ounce) can pineapple chunks, undrained

Place the sausage, ketchup, sugar and pineapple in the slow cooker and mix together.

Cook on low setting for 5 to 6 hours, until sausage is cooked through.