2 c. buttermilk
2/3 c. sugar
1/8 tsp. salt
1 c. crushed pineapple and juice
1 tsp. vanilla extract
1 egg white

Mix buttermilk, sugar, salt, pineapple and vanilla. Freeze to a mush about 45 minutes. Whip egg white until stiff and fold into well-beaten mixture. Return to freezer and freeze without stirring.