Step #1
Preheat the oven to 350 degrees F (175 degrees C).
Step #2 Lightly spray a 10x15 inch jellyroll pan & line with parchment paper.
Step #3 Sift flour with baking powder & salt & set aside.
Step #4 In a large mixing bowl, beat the eggs on high for several mins until they are very pale & fluffy.
Step #5 Gradually add in the sugar, beating 1 to 2 mins more or until very thick.
Step #6 Gently, but thoroughly, fold in the flour mixture.
Step #7 Melt the chocolate in a small saucepan over low heat/flame.
Step #8 In a small bowl, mix the 2 tbsps of water with the 2 tbsps coffee liqueur & the remaining 2 tbsps sugar & the baking soda, then slowly stir in theto the melted chocolate until smooth.
Step #9 Quickly, but thoroughly, fold chocolate mixture into batter.
Step #10 Pour batter into prepared 10x15 inch pan.
Step #11 Bake at 350 degrees F (175 degrees C) for 18 to 20 mins, or until a toothpick inserted into the cake comes out clean.
Step #12 Lightly sift an even layer of confectioners sugar over a cloth napkin or tea towel (do not use Terry-cloth).
Step #13 Flip the cake out of its pan onto the prepared cloth as soon as it comes from the oven.
Step #14 Carefully peel away parchment paper.
Step #15 Lightly dust top of cake with confectioners sugar, then trim away crisp edges.
Step #16 Starting with one of the short sides of the cake, as soon as possible roll the cake up in the cloth, jellyroll style, & cool thoroughly on a rack.
Step #17 For the Filling & Frosting: In a small saucepan over low heat/flame, melt the chocolate.
Step #18 Remove from heat & let cool to lukewarm.
Step #19 In a medium bowl, beat the cream cheese with the confectioners sugar until smooth, then mix in the vanilla extract & coffee liqueur.
Step #20 Blend in the melted chocolate.
Step #21 Unroll the cake & spread about 1/3 of the filling evenly over the surface.
Step #22 Roll the cake back up.
Step #23 Arrange cake roll on serving tray, then frost generously, swiping with an icing spatula to form the long 'bark line' design.
Step #24 Swipe ends of cake in a circular motion to simulate the tree-rings of a cut log.
Step #25 Decorate log as desired with holly leaves & berries, mushrooms & snow.