Apple Pie Bars

Ingredients

• 2 c. all-purpose flour
• 1/2 tsp. baking powder
• 1/2 tsp. salt
• 1/2 c. sugar
• 1 c. butter or margarine
• 2 egg yolks, lightly beaten
• 2 c. peeled, thinly sliced cooking apples
• 1/2 c. sugar
• 1/4 c. all-purpose flour
• 1 tsp. cinnamon
• 1/4 tsp. nutmeg
• 2 egg whites, lightly beaten for glaze