2 rings of packaged Kielbasa
1 (18 oz.) jar of apple jelly
1 (9 oz.) jar prepared mustard

Slice Kielbasa 1/4 to 1/2 inch thick. Mix jelly and mustard in crockpot. Add sliced Kielbasa and mix until meat is covered. Set crockpot on low to cook for 2 hours and while serving. Stir periodically.