Diabetic devil's food cake

1/2  c             Cocoa
     1/2  c             Boiling water
   2      c             Cake flour
     1/2  t             Baking soda
   1 1/2  ts            baking powder
     1/8  t             Salt
     1/3  c             Sugar ( or substitute)
     3/4  c             Liquid egg substitute(room t
   1      t             vanilla
     1/2  c             Margaine, room temp

  Stir together cocoa and boiling water until smooth.
  Set aside to cool to room temeprature. Place flour,
  baking soda, baking powder, salt and sugar in mixer4
  bowl and mix at low spped about 1 minute to blend. Add
  egg substitute, sweetener, and vanilla to cooca
  mixture and mix well. Add margarine to dry ingredients
  along with cocoa mixture and mix well at medium speed
  about 1 minute. Pour into 9" square or 9x13 cake pan
  that has been greased with margarine.Bake at 350 F for
  about 30 minutes, or until a cake tester comes out
  clean and cake pulls away from the sides of the pan.
  Cool in the pan and cut 6x3 to yield 18 pieces.