Chocolate irish cream cake

1 pk Yellow cake mix
      1 pk Inst chocolate pudding mix/4
           -oz
    3/4 c  Vegetable oil
    1/4 c  Water
    1/4 c  Vodka
    1/4 c  Irish cream liqueur
      4    Eggs
           Irish custard sauce:
      6 lg Egg yolks
    1/3 c  Sugar
    1/3 c  Irish whiskey
 
  Irish custard sauce, optional, recipe follows.
  Strawberries, for garnish, optional.
  Preheat oven to 350 degrees. Grease and flour a 10-inch
  bundt pan. In a mixing bowl, combine cake mix, pudding mix,
  oil, water, vodka, liqueur, and eggs. Beat until smooth.
  Pour batter into prepared bundt pan. Bake 40 to 50 minutes
  or until a wooden pick comes out clean. Invert cake to
  cool. Remove from pan. Dust with powdered sugar. Cake may
  be served plain or with Irish Custard sauce. Garnish with
  strawberries.
  
  Irish Cream:   makes 1 1/2 cups In a medium-sized metal
  bowl, whisk egg yolks, sugar, and whiskey. Set bowl over
  saucepan of simmering water and whisk until mixture is
  foamy, triples in volume, and holds its shape in a spoon,
  about 6 minutes. Remove pan from water. Cool.
  Source  Sterling Performances - A Cookbook by The Guilds of
  the Orange County Performing Arts Center.
 
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