Chocolate Ganache Peanut Butter Cupcakes - Master recipes

Ingredients

• 2 cups sugar -
• 1-3/4 cups all-purpose flour -
• 3/4 cup baking cocoa -
• 1/2 teaspoon salt -
• 1/2 teaspoon baking soda -
• 1/2 teaspoon baking powder -
• 1 cup buttermilk -
• 1 cup strong brewed coffee, room temperature -
• 1/2 cup canola oil -
• 2 large eggs, room temperature -
• 1 teaspoon vanilla extract -
• Filling: -
• 1/2 cup creamy peanut butter -
• 3 tablespoons unsalted butter, softened -
• 1 cup confectioners' sugar -
• 2 to 4 tablespoons 2% milk -
• GANACHE: -
• 2 cups semisweet chocolate chips -
• 1/2 cup heavy whipping cream -
• PEANUT BUTTER FROSTING: -
• 1 cup packed brown sugar -
• 4 large egg whites -
• 1/4 teaspoon salt -
• 1/4 teaspoon cream of tartar -
• 2 cups unsalted butter, softened -
• 1/3 cup creamy peanut butter -
• Chocolate curls, optional -