Lemon Squares - cooking recipe

Ingredients

1/4 c. melted margarine
1 1/4 c. graham cracker crumbs
1/4 c. sugar
3 egg yolks
1 can sweetened condensed milk (14 oz.)
1/2 c. lemon juice concentrate
whipped topping

Preparation

Combine margarine, crumbs and sugar.
Press on bottom of 8 or 9-inch square pan.
In medium bowl, beat egg yolks; stir in condensed milk and lemon juice.
Pour into prepared crust.
Bake at 325\u00b0 for 8 to 10 minutes.
Cool completely and top with whipped topping.
Freeze 6 hours or until firm.
Let stand for 10 minutes before serving.