Prawns with Green Mango from The Food of India: A Journey for Food Lovers by Priya Wickramasinghe an

Ingredients

• 1 teaspoon ground turmeric
• 4 cm (1½ inch) piece of ginger, roughly chopped
• 4 tablespoons oil
• ½ teaspoon cumin seeds
• 1 red onion, roughly chopped
• 250 g (9 oz) tiger prawns (shrimp)
• 1½ teaspoons chilli powder
• ½ teaspoon yellow mustard seeds
• 1 red onion, thinly sliced
• 4 garlic cloves, roughly chopped
• 1 green (unripe) mango, finely chopped