01 -
Heat your oven to 350°F (177°C). Oil a 6-inch round cake pan, put parchment on the bottom, then oil the paper too.
02 -
In a big bowl, stir flour, cocoa, baking soda, coffee powder, and salt together.
03 -
Grab a medium bowl and mix oil, sugar, egg, vanilla, and buttermilk till they're well combined. Pour this into your dry mix and stir until it's smooth.
04 -
Put your batter in the ready pan. Bake for 27-30 minutes. It's done when you poke it with a toothpick and nothing sticks. Let it cool completely on a wire rack.
05 -
Warm the cream and dump it over your chopped chocolate. Wait 2-3 minutes, then stir until it's silky smooth. Let it cool for 30-60 minutes until it gets thicker.
06 -
Smear or pipe the ganache on top of your cooled cake. Add raspberries, mint, or sprinkles if you want to fancy it up.