Banana Cream Pie

3 Tbsp. cornstarch                              

1 2/3 cup water

14 oz. can sweet condensed milk          

3 egg yokes

3 Tbsp. margarine                               

1 tsp. vanilla

2 bananas

In heavy sauce pan dissolve cornstarch into water. Stir in milk and yokes with wire whip,. Cook on med. heat until thick and bubbly. Remove from heat add margarine and vanilla. Arrange bananas in cooled baked crust. Add pudding and top with bananas. Cover with saran wrap. Top with cool whip before serving.