|Source: Ruth Kessler (1992)|
|Prep time: 30 minutes||Cooking time: 30 minutes||Total time: 1 hour|
Sift flour, baking powder and salt together. Melt butter. Add sugar, unbeaten egg, vanilla and nuts. Blend. Add 2 mixtures together. Mix well. Spread in shallow pan. Bake for 30 minutes at 350°. Cut into bars, sprinkle with powdered sugar.