1Butter or spray a 13x9-inch baking pan;set aside. Heat oven to 350^.
Beat eggs until foamy and beat sugar in gradually.
Stir dry ingredients together.
Add dates and nuts to flour mixture. Stir into egg mixture.
Spread in the prepared pan and bake until firm and delicately brown, so not to get dry, about 30 minutes. Cut into finger long shape pieces and roll in powdered sugar when cool but still a little warm.