Easy Honey Mustard Ham

1 (6 to 7 pound) picnic ham

¾ cup honey mustard sauce

½ cup packed brown sugar

½ cup water

1 tablespoon garlic powder

Place picnic ham in a slow cooker. Mix honey mustard sauce, brown sugar, water, and garlic powder together in a bowl; pour over the ham.

Cook on Low 8 hours to overnight.