Apple Bars - cooking recipe

Ingredients

1 c. plus 2 Tbsp. margarine
2 3/4 c. flour
1 tsp. salt
1 egg yolk, well beaten
milk
1 c. crushed Wheaties
7 to 8 c. sliced, pared apples
2/3 c. sugar
1/2 tsp. cinnamon
1/4 tsp. allspice
1 egg white
1 to 2 Tbsp. water
1 c. powdered sugar
1/2 tsp. vanilla

Preparation

Cut margarine into flour and salt until looks like small peas. Add enough milk to beaten egg yolk to measure 2/3 cup.
Stir into flour mixture until cleans side of bowl.
Divide into 2 parts. Roll one part into 10 x 15-inch rectangle.
Fold into thirds and place in jelly roll pan.
Unfold.
Sprinkle crushed Wheaties over pastry.