Apple Square Dessert

Ingredients:

1 egg, separated

⅔ C. milk

2½ C. flour

1 t. salt

1 C. + 1T. sugar

1 C. shortening

3 C. apples, sliced

1 t. cinnamon

1 C. powdered sugar

2 T. milk

Directions:

1. Preheat oven to 400° F.
2. Beat egg yolk until light and creamy.
3. Add milk.
4. Sift flour with salt and 1 tablespoon sugar.
5. Cut in shortening.
6. Add egg mixture.
7. Divide dough into 2 parts.
8. Roll half to fit 15"x10"x1" pan.
9. Place dough in pan and put apples on top. 
10. Sprinkle with sugar and cinnamon.
11. Roll remaining dough to cover apples.  
12. Pinch edges.
13. Beat egg white until it peaks.
14. Brush over top of rectangle.
15. Bake for 40 minutes, until golden brown.
16. Blend powdered sugar and milk, drizzle over top of square while hot from oven.