In a large bowl sift together flour, baking powder, salt and cocoa powder.Blend in the sugar, eggs and vanilla.Use a blender to mix it all together.And bake at 350*F for 33 minutes or more if needed.
1/3c All purpose flour1.0tsp Baking powder1/2tsp Salt1.0c Butter1.0c Cocoa2.0c Sugar4.0 Eggs1/2tsp Vanilla