1. Preheat oven to 325 F. Lightly grease 8 x 8 x 2" baking pan.

2. Sift flour, baking powdery and salt in small mixing bowl at medium speed, beat butter, mixture is light and fluffy.

3. Beat in melted chocolate and vanilla. At low speed, blend in flour mixture. Fold in chopped walnut

4. Spread evenly in prepared pans. Bake 30 minutes.

5. Cool 10 minutes. With sharp knife, cut into squares. Let cool completely in pan. Makes 16.