Burnt Orange Anejo Sour

• 1 orange slice

• ¼ teaspoon sugar

• 4 mint leaves

• 1 ½ ounce anejo tequila

• 1 ounce fresh lime juice

• 1 ounce Cointreau or orange liqueur

• 1 ounce sweet vermouth

• 1 ounce pasteurized liquid egg whites

• Blood orange soda

Full Recipe