Ingredients
For the cake:
2 1/2 cups plus 1 tablespoon all-purpose flour
3 cups granulated sugar
1 cup plus 1 tablespoon cocoa powder
1 tablespoon baking soda
1 1/2 teaspoon baking powder
1 1/2 teaspoon salt
3 eggs
1 1/2 cups buttermilk
1 1/2 cups coffee, hot
3/4 cup vegetable oil
4 1/2 teaspoons vanilla extract
For the peanut butter frosting:
2 cups powdered sugar
2 cups creamy peanut butter
10 tablespoons unsalted butter, room temperature
1 1/2 teaspoons vanilla extract
1/2 teaspoon kosher salt
2/3 cup heavy cream
For the chocolate ganache:
8 ounces dark chocolate, chopped
3/4 cup heavy cream
30 miniature peanut butter cups, coarsely chopped, divided
Preparation
