01 -
Preheat the oven to 375°F (190°C) and line a 15x12-inch cookie sheet with parchment paper.
02 -
In a large bowl, whisk together cocoa powder, flour, baking powder, and salt. Set aside.
03 -
Cream the butter and sugar together using a handheld or stand mixer.
04 -
Add one egg at a time to the butter mixture, mixing until well incorporated.
05 -
Mix in 2 tsp vanilla extract and 1 tsp peppermint extract.
06 -
Gradually add the dry ingredients to the wet mixture, stirring until just combined. Avoid overmixing.
07 -
Pour the batter onto the prepared cookie sheet and bake for 12–15 minutes, or until the cake is set to the touch.
08 -
Remove the cake from the oven and cool for 5 minutes. While warm, roll the cake into a log inside the parchment paper. Allow it to cool completely while rolled.
09 -
Combine buttercream ingredients in a bowl and mix until creamy.
10 -
Unroll the cake, spread the peppermint buttercream evenly over the surface, and roll it back up. Refrigerate while preparing the ganache.
11 -
Heat heavy whipping cream in a small pot until it reaches a low boil. Pour over the chocolate chips in a mixing bowl. Let sit for 1 minute, then stir until smooth and creamy.
12 -
Remove the rolled cake from the refrigerator, place it on a wire rack, and pour the ganache over the cake. Sprinkle crushed peppermint candy and mini chocolate chips on top.
13 -
Allow the ganache to set before slicing and serving.