Walnut Brown Sugar Squares

1/2 cup plus 2 tablespoons flour
1/4 tsp baking soda
1/4 tsp salt
1 cup firmly packed light brown sugar
1 large egg, at room temperature
1 tsp vanilla
1 cup chopped walnuts

Preheat the oven to 350 F. Lightly grease an 8 x 8 inch baking pan.
In a small bowl, combine the flour, baking soda, and the salt. Set
aside. In a medium-size bowl, on the medium speed of an electric
mixer, beat together the sugar, egg, and the vanilla until creamy and
smooth, about 2 minutes. Add the dry ingredients. Mix thoroughly.
Stir in the walnuts, reserving 2 tablespoons. Transfer the batter to the
prepared pan and, using your hands, spread the batter evenly. Sprinkle
with the remaining 2 tablespoons of walnuts. Bake for 25 minutes.
The center will not be set but do not overbake. Cool to room temperature,
cover tightly with plastic wrap, and allow to set overnight before cutting
and serving. Makes 16 two inch squares