Better Homes and Gardens' Brownies -1951
Melt shortening and chocolate together in a double boiler over hot water and let cool
Sift flour with baking powder and salt
Beat eggs until light; add sugar, then chocolate mixture, and blend.
Add flour, vanilla, and nuts.
Pour batter into well greased 8 inch square pan.
Bake for 30 -35 minutes.
Cool and cut into squares