Try using varieties of syrups to determine the right blend that would work along your taste. You can use tart apple instead to make subtle the sweetness.
INGREDIENTS
* ¼ C Carmel ice cream topping
* 1/8 C chocolate syrup
* 1 apple, peeled, cored and diced
* ½ C milk
* 1 tsp. cinnamon
* 8 ice cubes
DIRECTIONS
Contain the ice cream topping and syrup into the blender. Add the apples and pour in the milk. Sprinkle it with cinnamon before adding in the ice tubes.