Makes 12 cupcakes. 1 1/4 cups all-purpose flour 1 1/2 tsp baking powder 1/4 tsp salt 3/4 cup sugar 6 tbsp unsalted butter, at room temp 1 large egg, plus 1 large egg white, at room temp 1/4 cup buttermilk 1/4 cup+1tsp STRONG brewed coffee (Starbucks Pike Place roast was used for this cupcake) Preheat …
