25ml dry gin
25ml cherry brandy
25ml Benedictine
handful of ice, to serve
few drops Angostura bitters
50ml pineapple juice
25ml lime juice
sparkling water to top up
For the garnish
1 thin slice of fresh pineapple

 (optional)
cocktail cherry

Method
Pour the gin, cherry brandy and Benedictine into a mixing glass or a jug. Add the ice and Angostura bitters. Stir well until the outside of the glass feels cold. 
Pour the mix into a tall glass, then add the pineapple juice and lime juice and stir gently. Top up with sparkling water and garnish.