Dip rim of glass in lime juice and then Tajin spice. Fill a cocktail shaker one-half full of ice.
Add the Wheyward Spirit, lime juice and grapefruit juice and shake. Strain into prepared glass over crushed ice if desired.
Top with a splash of grapefruit soda and a dash of bitters. Garnish with lime wedge.
Recipe courtesy of Chef Barbara Alexander / Photo credit David Siegel Insight Studio
