Vanilla Frozen Yogurt
["1 c. sugar", "2 envelopes unflavored gelatin", "dash of salt", "2 c. skim milk", "5 c. plain low-fat yogurt", "1 Tbsp. plus 1 tsp. vanilla extract"]
["Combine sugar, gelatin and salt in a medium saucepan.", "Mix in milk and let stand 1 minute.", "Cook over low heat, stirring constantly, 5 minutes or until gelatin and sugar dissolve.", "Let cool.", "Stir in yogurt and vanilla.", "Chill.", "Pour mixture into freezer can of a 1 gallon hand-turned or electric freezer.", "Freeze according to instructions.", "Serve immediately or let ripen 1 hour. Yields 10 (1/2 cup) servings."]
["sugar", "unflavored gelatin", "salt", "milk", "yogurt", "vanilla extract"]