Since I'm on my binge of making everything about chocolate month, but it is also Pink October (breast cancer awareness month), I've combined the two with this chocolate sourdough cake with pink gummy candy buttercream (from strawberry tagada candy). I've been keen to try sourdough starter on chocolate cake, and mission accomplished, I think now know how to make moist fluffy cakes without using baking powder. I usually use the starter on breads and brioche, but this will be a fun new chapter. So let's get started. Some tips : Have some sourdough starter made at least the night or days before (mine is several months old in the re-making). If you can take the time to make things ahead of time (day before) that would be ideal. I like to bake in a two-day process, because there are several steps and/or resting time. For this cake, I made the gummy candy buttercream the day before, let it rest, then whipped it the next day. I also made the chocolate ganache ...