Chocolate Layer Cake — Our Family Recipes

Ingredients

• 2 cups all-purpose flour
• 2 cups granulated sugar
• ¾ cup Dutch-process cocoa powder
• 2 tsp baking soda
• 1 tsp baking powder
• 1 tsp salt
• 2 large eggs
• 1 cup buttermilk
• 1 cup strong hot coffee
• ½ cup vegetable oil
• 1 tsp vanilla extract
• 400g dark chocolate (70%), finely chopped
• 400ml double cream
• 2 tbsp unsalted butter