Ding Dong Cake

. Deep, chocolatey cake layers with a super soft crumb
. Not-too-sweet filling that’s smooth and pillowy
. Fudgy ganache topping that’s as rich as it looks
. Keeps beautifully in the fridge (and might be even better the next day)

Ingredients You’ll Need
. For the Cake:
1¾ cups all-purpose flour
1 cup granulated sugar
1 cup light brown sugar (packed)
¾ cup unsweetened natural cocoa powder
1½ tsp baking soda
¾ tsp salt
½ cup unsalted butter, melted
½ cup neutral oil (vegetable or canola)
2 large eggs + 1 egg yolk
2 tsp vanilla extract
1 cup buttermilk (room temperature)
½ cup hot coffee (or hot water)