Chocolate Cupcakes

Sweet enough for kids but intensely chocolate enough for grown-ups, these are my go-to chocolate cupcakes. 🧑‍🍳 INGREDIENTS: FOR THE CUPCAKES 1½ cups all-purpose flour, spooned into measuring cup and leveled off with knife 1½ cups granulated sugar ¾ cup unsweetened natural cocoa powder, such as Hershey’s ¾ teaspoon salt 1½ teaspoons baking powder ¾ teaspoon baking soda 2 large eggs, lightly beaten ¼ cup vegetable oil ¾ cup sour cream 1 teaspoon vanilla extract ¾ cup boiling water FOR THE FROSTING 8 ounces milk or semi-sweet chocolate, broken into small pieces (see note) 2½ sticks (20 tablespoons) unsalted butter, softened but still cool 1¼ cups Confectioners' sugar