====== Old-Fashioned Blood ====== * Cut a slice out of a blood orange. Juice the remainder of the blood orange. * Place a sugar cube in an old-fashioned glass. Soak sugar cube with orange bitters. * Add blood orange juice and a splash of soda. Stir until sugar is entirely dissolved. * Add 2 oz. whisk(e)y. * Add ice. * Stir, add more soda if needed. * Garnish with reserved blood orange slice.