01 -
Preheat oven to 350°F (175°C) and line a jelly roll pan with greased parchment paper.
02 -
Mix flour, baking powder, and salt in a bowl.
03 -
In another bowl, beat eggs and sugar until fluffy. Add cocoa powder and vanilla.
04 -
Gradually mix in the dry ingredients. Pour in boiling water and stir until smooth.
05 -
Pour the batter into the prepared pan and bake for 12-15 minutes, until a toothpick comes out clean.
06 -
Turn the cake onto a towel dusted with powdered sugar. Remove the parchment and roll the cake with the towel from a short side. Let it cool completely.
07 -
For the filling, beat peanut butter, powdered sugar, butter, and vanilla until creamy.
08 -
Unroll the cooled cake, spread the filling evenly, and re-roll the cake without the towel. Place the seam underneath.
09 -
Heat heavy cream in a saucepan until simmering, then add chocolate chips. Stir until smooth to make the ganache.
10 -
Drizzle the ganache over the rolled cake and spread it evenly.
11 -
Garnish with chopped Reese's Peanut Butter Cups, allow the ganache to set, then slice and enjoy.