Brown Sugar Chicken

2 pounds boneless chicken pieces
1 cup packed brown sugar
2/3 cup vinegar
1/4 cup lemon lime soda
2 to 3 tablespoons minced garlic
2 tablespoons soy sauce
1 teaspoon black pepper

Place chicken in crockpot. Combine remaining ingredients; pour over chicken.

Cover; cook on low for 6 to 8 hours. Serve over rice or noodles. To thicken sauce, combine 1 1/2 tablespoons cornstarch with 2 tablespoons of water and add to the crockpot.