Ingredients
Method
- Preheat oven to 350°F (175°C). Grease an 8-inch round cake pan and line with parchment. Whisk flour, cocoa powder, baking soda, and salt.
- Beat butter and sugar until fluffy, then beat in eggs, vanilla, and sourdough starter.
- Mix in half the dry ingredients, then add hot coffee. Stir in remaining dry ingredients until just combined.
- Pour batter into pan and bake 30 to 35 minutes, until a toothpick comes out clean.
- Cool in pan 10 minutes, then turn out to cool completely. Dust with powdered sugar before slicing.
Notes
Baking time can vary; use the toothpick test for doneness. This cake tastes even better the next day as the flavors meld. If you do not have coffee, hot water works, too.
