Garlic chilli prawns with ruby grapefruit salsa recipe

Ingredients

• 1/2 garlic clove, crushed
• 1/2 small red chilli, seeded, finely chopped
• 1 1/2 pieces peeled ginger, finely grated
• 2 tablespoons lime juice
• 1 teaspoon fish sauce
• 50 grams palm sugar, finely shaved
• 8 medium uncooked prawns, peeled, deveined, tails intact
• 1 ruby red grapefruit, segmented, finely chopped
• 1 tablespoon olive oil
• 1 tablespoon chopped coriander
• 1 tablespoon shredded mint leaves, plus extra whole mint leaves, to garnish
• 2 large butter lettuce leaves, to serve
• 2 tablespoons shredded coconut, toasted
• 1 tablespoon finely chopped unsalted roasted cashews