Strawberry Frozen Yogurt
["1/4 c. granulated sugar", "1 large egg white", "1 1/2 c. plain nonfat yogurt", "1 c. whole strawberries, pureed", "1/2 tsp. vanilla"]
["Place sugar and egg white in top of double boiler over simmering water.", "With electric mixer at high speed, beat constantly until mixture thickens and forms soft peaks, about 5 to 7 minutes.", "Remove from heat.", "Add yogurt, strawberry puree and vanilla to thickened mixture; stir until combined.", "Pour mixture into container of ice cream freezer and process following manufacturer's directions.", "Transfer to storage container, cover and freeze."]
["granulated sugar", "egg white", "nonfat yogurt", "whole strawberries", "vanilla"]