July 1, 2017January 22, 2019 Frozen Negroni MOTHER shrub Style Add to a blender 1/2 oz MOTHER shrub grapefruit shrub 1.5 oz dry Gin 1.5 oz Campari 1.5 oz sweet vermouth 2.5 oz fresh grapefruit juice ice Blend till smooth and slushy. Makes 2. Cheers!