- Our Black Raspberry Flavor Fountain and Color is specially designed for use with sherbets, sorbets, hard ice cream, soft-serve ice cream, yogurt, shakes, smoothies and much more. This Flavor Fountain and Color is unsweetened, colored, appropriate for low-fat and / or low-sugar recipes and gluten-free. Store at room temperature. - Ice Cream or Yogurt Bases - 1 Tbsp for 1 quart (32 oz); 1-2 oz for 1 Gallon - Shakes and Smoothies - 1-2 tsp for 16 oz - The above suggested mixing amounts are based up