- 2 cups all-purpose flour
- 1 ¾ cups granulated sugar
- ¾ cup unsweetened cocoa powder
- 2 teaspoons baking powder
- 1 teaspoon baking soda
- ½ teaspoon salt
- 1 cup buttermilk (or 1 cup milk + 1 tbsp vinegar, let sit for 5 minutes)
- ½ cup vegetable oil
- 2 large eggs
- 2 teaspoons vanilla extract
- 1 cup hot coffee or hot water (enhances chocolate flavor)
For the Creamy Filling:
- 1 ½ cups heavy whipping cream
- ½ cup dark chocolate, melted
- ¼ cup powdered sugar
- 1 teaspoon vanilla extract
For the Glossy Ganache Topping:
- 1 cup heavy cream
- 8 oz dark chocolate, chopped
- 1 tablespoon butter (for extra shine)