1 cup dark Karo syrup
1/2 cup brown sugar, packed
3 Tablespoons prepared yellow mustard
1/2 teaspoon ground ginger
1/8 teaspoon ground cloves
Combine all ingredients in a saucepan and bring to a low boil. Boil for 5 minutes, stirring constantly. Let cool. Brush on ham frequently during the last 30 minutes of baking.