Follow quick steps to make the unlimited combinations with mix of base, flavors & toppings. Each flavor is made with your choice of our proprietary ice cream base or our proprietary non-fat frozen yogurt base. Choose a base: Premium Ice Cream, Nonfat Yogurt, Vegan Base. Choose a style: Straight up in a Cup, Tall Charlie (on Sweet Charlie's Signature Oven Baked Glazed Donut, Yum!)