Chocolate Frozen Yogurt Ice Cream

Ingredients:

3/4 cup sugar
2 teaspoons cornstarch
12 ounces evaporated lowfat milk
1 teaspoon vanilla
1 cup plain yogurt
2 ounces semisweet chocolate chips

Directions: 

In medium saucepan, combine the sugar and cornstarch. Stir in milk. Cook and stir over moderate heat until thick and bubbly. Remove from heat and cool in the refrigerator. Add the vanilla and yogurt.

Refrigerate until the mixture is cold. Melt the chocolate. While the chocolate is hot, pour it very slowly into the chilled yogurt mixture while stirring gently. Freeze in an ice cream maker according to manufacturer's directions.