Potato and Avocado Salad with Prawns | Reader's Digest Australia

Ingredients

• 500 g unpeeled small new potatoes, diced
• 2 tablespoons vegetable oil
• 1 small red onion, thinly sliced
• 1 clove garlic, crushed
• 1 large mild red chilli, seeded and finely chopped
• 1 teaspoon coriander seeds, roughly crushed
• 1 teaspoon cumin seeds, roughly crushed
• 1 large ripe avocado
• 400 g peeled cooked prawns
• juice of 2 limes
• freshly ground black pepper
• 1?2 cup (125 g) low-fat natural yogurt
• 3 tablespoons chopped fresh coriander
• 8 large lettuce leaves