Categories: Cakes, New york 
      Yield: 10 servings 
  
------------------------------------CAKE------------------------------------ 
    1/2 c  Unsweetened Cocoa 
      2 tb Boiling water 
      2 oz Unsweetened Chocolate,chop 
    3/4 c  Milk 
      1 c  Butter, Softened (2 sticks) 
      2 c  Sugar 
      4 lg Eggs, separated 
      2 ts Vanilla extract 
      2 c  Flour 
      1 ts Baking powder 
      1 ts Baking soda 
      1 ts Salt 
 
------------------------------FILLING(SEE NOTE------------------------------ 
      1 tb +1 3/4 t cocoa powder 
      2 c  Boiling water 
    3/4 c  + 1 T + 1/2 t sugar 
      1 oz Bittersweet chocolate, chop 
      2 tb Cornstarch dissolved in 1 T 
           Of cold water 
    1/4 ts Salt 
      1 ts Vanilla extract 
      2 tb Butter 
 
----------------------------------FROSTING---------------------------------- 
     12 oz Semisweet Chocolate, chopped 
     12 tb 1 1/2 sticks unsalted butter 
    1/2 c  Hot water 
      1 tb Light corn syrup 
      1 tb Vanilla extract 
  
  1. Preheat oven to 375, prepare 2 8" pans (grease & flour) 2. Make the 
  cake: Place cocoa in bowl  and whisk in boiling water to form a paste. 3. 
  combine chocolate and milk in small saucepan over medium heat. Stir 
  frequently until chocolate melts. Remove from heat, whisk a small amount of 
  the hot chocolate milk into the cocoa paste to warm it. Whisk the cocoa 
  mixture into the milk mixture. return the pan to medium heat and stir for 1 
  minute. Remove and set aside to cool until tepid. 4. in mixing bowl, cream 
  butter and sugar together. beat in the egg yolks, one at a time, add the 
  vanilla. Slowly stir in chocolate mixture. 5. Combine the flour, baking 
  powder, baking soda and salt. Using a spatula add the flour mix to the 
  chocolate mixture. Fold in until just mixed. 6. in another bowl whisk egg 
  whites to form soft peaks. fold into batter, Divide the batter into the two 
  pans. Bake until toothpick comes out clean of center about 45 minutes. Cool 
  on rack for 15 minutes. 7. While cake is baking make the filling: combine 
  the cocoa and boiling water in a small saucepan over low heat. Stir in 
  sugar and chocolate. Add the dissolved cornstarch paste and salt to the pan 
  and bring to a boil, stirring continuously. Boil for 1 minute. Remove from 
  heat and whisk vanilla and butter. Transfer mix to a bowl, cover and 
  refrigerate until cool. 8. Make the frosting: melt chocolate in double 
  boiler over hot, NOT SIMMERING, water, stirring until smooth. Whisk in 
  butter 1 tablespoon at a time. Remove from heat. 9. Whisk in hot water all 
  at once and whisk until smooth. whisk in corn syrup and vanilla. Cover and 
  refrigerate for up to 15 minutes prior to using. 10. Assemble the cake: 
  Slice each layer to form 4 layers, set 1 layer aside. Place 1 layer on a 
  cake plate. Generously swath the layer with 1/3 of the filling. Add the 
  second layer and repeat. Set the third layer on top and quickly apply a 
  layer of frosting to the topand the sides of the cake. Refrigerate for 10 
  minutes. 11. Crumble the remaining cake layer. apply the remaining frosting 
  to the cake. Sprinkle liberally with the cake crumbs. Servethe cake within 
  24 hours. Store in a cool place. NOTE: Ingredients make a runny filling 
  that's OK. In fridge it hardens up.