2 rings of Kielbasa (about 2 lbs)
1 (18 oz) jar apple jelly
1 (9 oz) jar prepared mustard
Slice Kielbasa 1/4 to 1/2 inch thick. Mix jelly and mustard in slow cooker/Crock Pot. Add sliced Kielbasa and mix until meat is covered. Set slow cooker/Crock Pot on low to cook for 2 hours and keep on low while serving. Stir periodically.