Slow-Cooked Ham

1/2 cup packed brown sugar
1 teaspoon ground mustard
1 teaspoon prepared horseradish
2 tablespoons plus 1/4 cup cola, divided
1 fully cooked boneless ham (5 to 6 pounds), cut in half

In a small bowl, combine the brown sugar, mustard, horseradish and 2 tablespoons cola. Rub over ham. Transfer to a 5-qt. slow cooker; add remaining cola to slow cooker. Cover and cook on low for 6-8 hours or until a thermometer reads 140. Yield: 15-20 servings.