Crust:
1 c. Flour
1/2 c. Butter
1/4 c. Granulated Sugar

Using a pastry blender cut butter into flour mixture and sugar.
Pat mixture into 8″ x 8″ pan.
Bake 15-20 minutes at 350°F.

Filling:
1 c. Brown Sugar
1/2 c. Granulated Sugar
1 Tbsp. Flour
3 Eggs, beaten
1/4 c. Butter, melted
1 tsp. Vanilla

Stir together sugars and flour.
Add eggs, butter and vanilla.
Mix well.
Pour over baked crust.
Bake another 25-30 minutes at 350°F.
Let cool, cut into bars.