Slow Cooker Ham & Pineapple Sandwich

2 lbs. ham fully cooked and cut into small cubes
1 20 oz. can crushed pineapple
3/4 c. brown sugar
1/4 c onion, minced
1 med green pepper, diced
1/4 c. Dijon mustard
Hamburger Buns

Place all ingredients into a Ziploc gallon-sized freezer bag. Mix together in bag and zip closed.

When ready to eat, remove from freezer and place in a non-stick, sprayed slow cooker. Cook on High for 4 hours or Low for 5 to 6 hours.

Serve on hamburger buns with your favorite cheese.