The Harlem Cocktail combines Fords Gin with Maraschino. Maraschino is a clear, relatively dry liqueur made from sour Marasca cherries; these cherries are found almost exclusively on the coast of Croatia.
Muddle pineapple in the bottom of a mixing glass.
Pour remaining ingredients and add large cold ice cubes.
Cover and shake hard but briefly.
Pour unstrained back into a rocks glass and garnish with a pineapple leaf.