Cake:
- 1.75 cup (245g) all-purpose flour
- 2 cups (300g) granulated sugar
- ¾ cup (75g) cocoa powder
- 2 tsp (8g) baking powder
- 1 tsp (4g) baking soda
- 1.5 tsp (6g) fine sea salt
- 2 large eggs
- ½ cup (120ml) vegetable oil
- 2 tsp (8g) vanilla extract
- 1 cup (240ml) buttermilk
- 1 cup (240ml) freshly brewed coffee, cooled to room temperature
Chocolate Buttercream Frosting:
- 12 oz (340g) semisweet chocolate
- 1 pound (450g) unsalted butter, room temperature
- ½ cup (120g) cream cheese, softened
- 1 tsp (4g) fine sea salt
- 1 Tbsp (15g) vanilla extract
- 3 cup (330g) powdered sugar
- 2 tsp (8g) very hot water (for dissolving coffee granules)
- 1 Tbsp (15g) instant coffee granules