Chocolate Chip Cupcakes with Chocolate Chip Frosting Recipe | Say Mmm

Ingredients

• 3 1/4 cups sifted cake flour
• 1 1/2 tablespoons baking powder
• 1/4 teaspoon salt
• 1 3/4 sticks unsalted butter, softened
• 1 3/4 cups sugar
• 1 cup plus 2 tablespoons milk
• 1 tablespoon pure vanilla extract
• 5 large egg whites, room temperature
• 2 cups semisweet chocolate chips (I used mini chips)
• 3 sticks unsalted butter, softened
• 1 pound confectioners' sugar, sifted
• 1/2 teaspoon pure vanilla extract