Durango is pleasurable strong cocktail at 1.2 standard drinks. Layered with 30ml tequila chili rio grande and 15ml almond liqueur soplica with 15ml grapefruit juice as well as 30ml tonic water including 100ml ice and best with an entree or small snack. Just place ice into short rocks glass then add in the tequila and pour in the grapefruit juice. Add in the tonic soda water and sprinkle almond liqueur on top and served in a old fashioned glass cold.