A Hemingway inspired cocktail served in a Hemingway tiki mug
1 1/2 oz white rum
1 oz amaro montenegro
3/4 oz lime juice
2/3 oz grapefruit cordial
1 tsp maraschino cherry syrup (yup, directly from the jar of cherries)
Soda water
Garnish: fresh mint
Combine the ingredients in a shaker with ice and shake well. Strain into a glass over ice and top with about 1 oz soda water. Add garnish.
Find it online: https://subtletiki.com/iceberg-theory/