Magazine Subscription Offer
Try your first 5 issues for only £5!
If using raspberries, blend these first to a purée then rub through a sieve to extract the pips. Put a handful of ice cubes in a powerful blender and crush. Add the berries or pulp, plus the lime and lemon juice and rum. Whizz again and pour into a chilled cocktail glass straight away. Decorate with a lime slice.