Sift and Measure for crust for 12 by 16 in. pan:

3 1/2 cups flour
3 T. sugar
1 1/2 tsp. baking powder

As for pie crust, work in 9 oz. unsalted chilled butter.

When like coarse cornmeal, add:

3 T. water
2 beaten eggs
1 1/2 tsp. vanilla or almond

Press into sheet pan.
Overlap slices of fruit, such as 9-12 Granny Smith Apples, peeled and sliced, or half plums.
Drizzle honey or cinammon sugar over fruit.
Top with streusel if desired.

Streusel:

2 cups packed brown sugar
1/2 lb. cold butter
1 3/4 cups flour

Bake at 350 or until streusel and underneath crusts are browned.