Chocolate Beer Cupcakes with Maple Buttercream and Caramelized Bacon... Chocolate Beer Cupcakes with Maple Buttercream and Caramelized Bacon   Ingredients 1/2 cup dark beer (see note) 1/2 cup unsalted butter, at room temp 1/3 cup cocoa powder 1 cup all purpose flour 1 cup white sugar 3/4 tsp baking soda 1/4 tsp salt 1 egg 1/3