Ingredients

2/3 c sugar
2 ts cornstarch
12 oz evaporated skim milk
1 egg -- slightly beaten
2 tb light corn syrup
1 vanilla beans
2 ts vanilla extract
1 1/2 c nonfat yogurt -- stirred

Instructions

In a medium saucepan, combine sugar and corstarch. Stir in milk,
beaten egg and corn syrup. Cook, stirring, over low heat until
mixture thickens and coats a metal spoon. Remove from heat; cool.
Slit the vanilla bean and scrape the seeds into the mix- ture along
with the vanilla extract and yogurt. Freeze in

ice cream freezer according to manufacturer's instructions. Makes 8
servings.