SOUR GREEN APPLE ICE CREAM (HOME-MADE) Ingredients: 1 cup Half and Half, well chilled. ¾ Teaspoon Xanthan Gum. ¾ cup sugar. 2 cups Heavy Cream, well chilled. 1 teaspoon Green Apple Flavoring LorAnn Oils. 2 teaspoons Tart and Sour flavor enhancer LorAnn Oils. Neon Green Food Coloring, optional. Directions: