Chocolate Chip Squares
Cream together:
1/2 cup brown sugar
1/2 cup white sugar
1 cup butter
3 egg yolks
2 cups flour
1 tsp baking powder
1/4 tsp salt

Add flour mixture to sugar mixture
Press into 10x14" pan
Sprinkle 1 12 ounce pkg chocolate chips
Beat 3 egg whites
Add 1 cup brown sugar to beaten whites, gradually
Spread over the top
Top with chopped pecans

Bake 25-30 minutes at 350