Moist and rich chocolate cake

Ingredients

• 225 grams all purpose flour
• 60 grams unsweetened Cocoa powder
• 270 grams white sugar
• 3 teaspoons baking powder
• 1/4 tsp salt
• 165 grams soft butter
• 3 Eggs
• 200 grams whole milk
• 1 tablespoon coffee
• 200 grams dark chocolate
• 100 grams milk chocolate
• 300 grams Nutella
• 360 grams heavy cream
• 1 3/4 cups all purpose flour
• 1/2 cup unsweetened Cocoa powder
• 1 1/3 cups white sugar
• 1 cup milk
• 7 ounces dark chocolate
• 3 1/2 ounces milk chocolate
• 1 cup + 2 tablespoon Nutella
• 1 1/2 cups heavy cream