Crock Pot Sweet Hawaiian Chicken

2 lbs chicken tenderloin pieces
1 C pineapple juice or 2/3 C pineapple juice + 1/3 C water
1/3 C low sodium soy sauce
1/2 C brown sugar
1 can pineapple chunks
1 bag frozen onion and pepper mix


Place chicken in the crock pot.  Add the juice, soy sauce, and brown sugar.  Simmer on low for 5-6 hours.
Add pineapple chunks and onion and pepper mix and cook on low another 1-1.5 hours.

Serve over rice.