Brownies

2/3 c sifted all purpose flour
1/2 tsp baking powder
1/4 tsp salt
1/3 c shortening
2 squares unsweetened chocolate
1 c sugar
2 eggs, well beaten
1/2 c broken walnuts
1 tsp vanilla

Melt shortening and chocolate together over low heat. Sift flour with baking soda and salt. Beat eggs until light and add sugar gradually. Beat well, add chocolate, mixture and blend. Add flour and mix well. Add nuts and vanilla. Mix well, spread in an 8x8 pan. Bake in preheated oven at 350 F for 25 minuts. Cool in pan, cut in squares.