1 3/4 cups all-purpose flour
3/4 cup Dutch process cocoa powder
1 3/4 cups granulated sugar
2 teaspoons baking soda
1 teaspoon baking powder
1 teaspoon salt
1/4 cup vegetable oil
1/4 cup unsalted butter, melted and returned to room temperature
2 large eggs, at room temperature
3/4 cup full fat sour cream, at room temperature
1/2 cup buttermilk, at room temperature
2 teaspoons pure vanilla extract
1/2 cup strong coffee, hot
For the Cherry Syrup:
1 lb frozen pitted cherries, divided
1/2 cup sugar
1/2 cup water
For the Frosting:
2 cups heavy whipping cream
3 tablespoons powdered sugar
1 teaspoon vanilla
4 ounces semi-sweet chocolate, grated
For the Cake:
Preheat the oven to 350° degrees F. Butter two round 9 inch cake pans and, instead of flour, use cocoa to coat the pans to ease removal. Set aside.
Whisk the flour, cocoa powder, sugar, baking soda, baking powder and salt together in a large bowl. Set aside.
In a separate bowl, mix the oil, butter, eggs, sour cream, buttermilk, and vanilla together until combined. Pour the wet ingredients into the dry ingredients and mix. Add the hot coffee and whisk or beat it all until the batter is completely combined, scraping down the sides of the bowl at least once during mixing.
Divide batter evenly between pans. Bake for 20-25 minutes, rotating the pans midway through cooking. Baking times may vary and the cakes are done when a toothpick inserted in the center comes out clean. Remove the cakes from the oven and set on a wire rack. Allow to cool 45 minutes in the pan before removing and cooling completely on a wire rack.
For the syrup:
Set aside one cup frozen cherries. In a small saucepan, add sugar, water and the rest of the bag of cherries. Heat on medium-low, stirring constantly, for approximately 5 minutes until sugar is dissolved. Boil another 5 to 10 minutes to thicken syrup. Set aside to cool completely. For the frosting: Whip the heavy cream, slowly adding the sugar, and then the vanilla. Whip until stiff peaks form.
Generously brush cherry syrup over the top of the first layer of the chocolate cake. Add a whipped cream on top and spread out into an even layer. Scatter some of the simple sugar cherries over before putting dollops of whipped cream on top, to enfold the cherries in cream. Place the next chocolate cake layer on top. Paint the top and sides with the remaining syrup.
Once all layers are in place and coated, spread a generous layer of whipped cream all over the top and sides of the cake. Drizzle with some of the cherry simple syrup. Place the reserved cherries on top. Scatter the grated chocolate over the top and sides.