01 -
Preheat oven to 350°F (175°C). Grease two 8-inch round cake pans and line bottoms with parchment paper. Sift together flour, cocoa powder, sugar, baking powder, baking soda, and salt in a large bowl
02 -
In a separate bowl, whisk together eggs, buttermilk, vegetable oil, and vanilla extract. Slowly add hot water to the wet mixture, whisking constantly
03 -
Gradually add wet ingredients to dry ingredients, whisking until batter is smooth. Avoid overmixing
04 -
Pour batter evenly into prepared pans. Tap gently to release air bubbles. Bake for 30-35 minutes until a toothpick inserted comes out clean
05 -
Let cakes cool in pans for 10 minutes, then transfer to a wire rack to cool completely
06 -
Chop chocolate into small pieces and place in a heatproof bowl. Heat cream until simmering and pour over chocolate. Let sit 2-3 minutes, then stir until smooth. Add butter and stir until glossy
07 -
Level cake tops if needed. Place one layer on serving plate, spread with ganache. Top with second layer and cover top and sides with remaining ganache
08 -
Add toppings as desired. Let cake sit at room temperature for 30 minutes before slicing to allow ganache to set