Categories: Chocolate, Cakes/choc. 
      Yield: 16 servings 
  
      3 c  Flour; unbleached, sifted         1/3 c  Cocoa; baking 
      3 ts Baking soda                       1/2 ts Salt 
  1 1/2 c  Mayonnaise or salad dressing    1 1/2 c  Sugar 
  1 1/2 c  ;cold water                     1 1/2 ts Vanilla extract 
      1 x  -fluffy chocolate frosting--        1 ea ----------------------- 
      1 c  Brown sugar; packed                 3 tb Half and half or light cream 
      3 tb Butter or regular margarine       1/3 c  Chocolate chips; semisweet 
    1/2 ts Vanilla extract                 
  
  Sift together flour, cocoa, baking soda and salt; set aside.  Combine 
  mayonnaise and sugar in a mixing bowl.  Beat with electric mixer at medium 
  speed until blended.  Gradually beat in cold water and vanilla. 
   Add dry ingredients to mayonnaise mixutre, beating until well blended, 
  about 2 minutes.  Pour batter into greased 13 x 9 x 2-inch baking pan. Bake 
  in preheated 350 degree F. oven 40 minutes or until cake tests done. Cool 
  in pan on rack.  Frost with Fluffy Chocolate Frosting. Cut in squares. 
  FLUFFY CHOCOLATE FROSTING: Combine brown sugar, light cream, and butter in 
  a saucepan.  Cook over medium heat, stirring constantly, until mixture 
  comes to a boil.  Boil 1 minute. Remove from heat. Stir in chocolate chips 
  and vanilla.  Beat with electric mixer at high speed until of a spreading 
  consistency. NOTE: This recipe is included in this file as it is a classic 
  Chocolate Cake and I have looked for the recipe for years before finding 
  it.