BUTTER BEER CUPCAKE INGREDIENTS Ingredients for the cupcakes: 2 cups flour 1-1/2 tsp baking powder 1/2 tsp baking soda 1/4 tsp salt 1/2 cup unsalted butter, at room temperature 1/2 cup sugar 1/2 cup dark brown sugar 3 large eggs 1-1/2 tsp vanilla 1 tsp bu