Ingredients
Dry Ingredients
- 7/8 cup all-purpose flour (or ¾ cup + 2 tbsp)
- 1 cup granulated sugar
- 6 tbsp cocoa powder
- 1 tsp baking soda
- ½ tsp baking powder
- ½ tsp salt
Wet Ingredients
- ½ cup buttermilk (or half-and-half)
- ¼ cup vegetable oil
- 1 large egg
- ½ tsp vanilla extract
- ½ cup hot coffee
Frosting Ingredients
- 6 tbsp butter, room temperature
- 3 cups confectioner’s sugar
- 3 tbsp Irish Cream liqueur, plus more if needed to thin
- 3 tbsp cream or half-and-half, plus more if needed to thin
- Chocolate shavings for garnish
Instructions
- Preheat and Prepare Pan: Preheat your oven to 350°F (175°C) and grease a 9×9 inch square baking pan to prevent sticking.
- Mix Dry Ingredients: In a large bowl, whisk together the flour, granulated sugar, cocoa powder, baking soda, baking powder, and salt until evenly combined.
- Mix Wet Ingredients: In a separate bowl, whisk together buttermilk, vegetable oil, egg, and vanilla extract until smooth and well combined, excluding the coffee at this stage.
- Combine and Add Coffee: Gradually add the wet ingredients into the dry ingredients, mixing as you go. Once incorporated, pour in the hot coffee and mix thoroughly until the batter is smooth with no dry flour pockets. Note that the batter will be thin.
- Bake the Cake: Pour the batter into the prepared pan and bake in the preheated oven for 20 to 25 minutes. Keep a close eye as the cake bakes quickly and oven temperatures may vary; test doneness by inserting a toothpick into the center which should come out clean.
- Cool Cake: Remove the cake from the oven and allow it to cool completely in the pan before frosting.
- Prepare Frosting: Beat the room temperature butter with confectioner’s sugar until fluffy. Add the Irish Cream liqueur and cream or half-and-half gradually, beating until the frosting is soft, smooth, and spreadable. Adjust thickness by adding more Irish Cream or cream as desired.
- Frost the Cake: Spread the prepared frosting evenly over the completely cooled cake.
- Add Garnish: Sprinkle chocolate shavings on top of the frosted cake to add a decorative and flavorful touch.
- Storage: Store the cake at room temperature for up to 3 days, or refrigerate to extend freshness.
Notes
- Ensure the cake is fully cooled before frosting to prevent melting.
- Adjust the amount of Irish Cream or cream in the frosting to customize flavor and consistency.
- The hot coffee enhances the chocolate flavor without adding a coffee taste.
- Use fresh butter at room temperature for the best frosting texture.
- This cake is best consumed within 3 days for optimal freshness.
- Prep Time: 10 minutes
- Cook Time: 20-25 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American