Pineapple Sherbet
["1/2 envelope (1 1/2 tsp.) unflavored gelatin", "2 Tbsp. cold water", "2 c. buttermilk", "3/4 c. sugar", "18 3/4 oz. can (1 c.) crushed pineapple", "1 tsp. vanilla", "1 egg white", "1/4 c. sugar"]
["Soften gelatin in cold water; dissolve over hot water. Combine buttermilk, 3/4 cup sugar, pineapple, vanilla and gelatin; mix well.", "Turn into refrigerator tray.", "Freeze until firm. Break in chunks; turn into chilled bowl.", "Beat smooth with electric or rotary beater.", "Beat egg white to soft peaks; gradually add 1/4 cup sugar, beating to stiff peaks.", "Fold into pineapple mixture.", "Return to cold tray.", "Freeze firm.", "Serves 4 to 6."]
["unflavored gelatin", "cold water", "buttermilk", "sugar", "pineapple", "vanilla", "egg", "sugar"]