01 - 
                Heat oven to 350°F (175°C).
              
              
              
                02 - 
                Line 10x15 inch jelly roll pan with parchment.
              
              
              
                03 - 
                Sift flour, cocoa, baking powder, and salt.
              
              
              
                04 - 
                Beat eggs and sugar for 5 minutes until pale.
              
              
              
                05 - 
                Add milk and vanilla, then fold dry ingredients into the wet mixture.
              
              
              
                06 - 
                Spread in pan and bake for 10-12 minutes.
              
              
              
                07 - 
                Roll the warm cake in a powdered sugar-dusted towel and let it cool completely.
              
              
              
                08 - 
                Mix peanut butter, powdered sugar, and cream together.
              
              
              
                09 - 
                Unroll the cake, spread the peanut butter filling, sprinkle chopped Reese's cups, and re-roll cake firmly.
              
              
              
                10 - 
                Top the roll with chocolate ganache and garnish with Reese's Pieces.