Mint caipirinha fruit salad

INGREDIENTS

• 1 bunch fresh mint, leaves picked
• finely grated zest and juice of 3 limes
• 4 tablespoons caster sugar, plus extra to taste
• Cachaça
• 1 ripe melon, deseeded and flesh scooped out with a spoon
• 1 ripe papaya, deseeded and flesh scooped out with a spoon
• 1 large handful fresh strawberries, hulled and halved lengthways
• 1 ripe mango, stoned and flesh scooped out with a spoon
• 1 pineapple, peeled, cored and cut into chunks