3/4 oz Cinnamon Syrup
3/4 oz Lime Juice
3/4 oz Grapefruit Juice
2 dash Fee's Molasses Bitters (optional)
Shake with ice and strain into a tall glass with or without 2 oz soda water. Fill with crushed ice and garnish with Tiki intent including citrus peels (see text below) and freshly grated nutmeg.
(*) A 1/2 pound of tamarind concentrate makes a quart of syrup (when dissolved with hot 1:1 simple). 1/8 of that container (1 oz by weight) will make 4 oz tamarind syrup. Tamarind concentrate can be found in Indian supermarkets.