Waring Corporation, Waring Ice Cream Parlor manual… (1970s)
“ FRUIT ICE is similar to a sherbet, except that it contains no milk or other dairy product, and consists primarily of fruit juices, water, and sweetener. RECIPE FOR GRAPEFRUIT ICE 3 cups water2 cups sugar3 cups grapefruit juice1 Tbsp. grated grapefruit rind1/2 cup lemon juice In saucepan, combine water and sugar. Bring to a boil, and simmer 5 minutes. Remove from heat and chill. Pour chilled mixture into cream can. Add grapefruit juice, grapefruit rind and lemon juice. Mix with wooden spoon or plastic spatula. ”
