2 c. flour
2/3 c. powdered sugar
1 c. butter, diced

Mix flour and sugar. Cut in butter until mixture is crumbly. Press dough to bottom of 13x9 inch pan. Bake in preheated 350 degree oven for 15 minutes. 4 eggs 3/4 c. brown sugar, packed 1/3 c. flour 2 c. coarsely chopped pecans

In medium bowl mix all ingredients. Pour over cooled crust. Bake in 350 degree oven for 30-35 minutes. Cool completely and then cut into squares.