Kittencal'S Scotch Shortbread Bars - cooking recipe

Ingredients

1 cup butter, softened (no substitutions)
1/2 cup icing sugar (confectioners)
2 cups all-purpose flour
1/4 teaspoon baking powder
1/4 teaspoon salt
additional icing sugar, for dusting

Preparation

Set oven to 350 degrees F.
Prepare an ungreased 11 x 7-inch baking pan.
In a mixing bowl cream butter and sugar well.
Combine flour, baking powder and salt; gradually add to creamed mixture.
Spread into a prepared ungreased baking pan.
Prick well several times with a fork.
Bake for 20-22 minutes, or until the edges just begin to brown.
Remove from oven the dust with more icing sugar.
Cool on wire rack.
Cut into bars.