Amount
Ingredient
Preparation



1
cup
sugar





2
tablespoons
cornstarch





1/4
cup
lemon juice





1/2
cup
margarine





1
cup
milk





3
each
egg yolks





1
cup
sour cream





1
each
graham cracker pie crust





1
x
whipped topping

garnish

 Combine the sugar and cornstarch, add the lemon juice, oleo, and milk Put in pan over low heat.

Beat 3 egg yolks in small bowl.

Add a little hot mixture from pan into the egg yolks, mix well and add  all to pan.

Cook until thick, remove from heat, and add 1 cup sour  cream and stir.

Pour into a graham cracker crust.

Refrigerate overnight  or several hours. Spread with Cool Whip.