Mistico Spike is enjoyable full bodied cocktail at 1.3 standard drinks. Layered with 30ml tequila reposado cazcabel and 60ml grapefruit juice with 10ml bitters grapefruit as well as 190ml ice and served for or with tiffins. Just place tequila into glass then pour in grapefruit juice and splash bitters on top and served in a highball glass cold.