Crust:

2 c. flour
1/2 tsp. baking powder
1 c. butter
1/2 c. sugar
1/2 tsp. salt
2 egg yolks

Filling:

5 c. sliced apples
1/4 c. flour
3/4 c. sugar
2 tsp. cinnamon

Topping:

1/3 c. sugar
1/4 c. butter
1/3 c. flour
2 tsp. cinnamon

For crust, combine flour, sugar, baking powder and salt. Cut in butter until crumbly. Stir in egg yolks. Press into a 13x9 inch pan.

Combine apples, sugar, flour and cinnamon and spread over crust.

Blend remaining sugar, butter, flour and cinnamon together and crumble over the top of apple mixture. Bake at 350 degrees for 45 minutes. Cut into 3 inch squares and serve.