Discover My Grandmother's Cooked Prawns in Spicy

Ingredients

• 1 tablespoon vegetable oil
• 1 medium onion, finely chopped
• 3 cloves garlic, minced
• 1 tablespoon fresh ginger, grated
• 1 to 2 Thai red chilies, sliced
• 1 can coconut milk (13.5 oz / 400 ml)
• 2 tablespoons fish sauce
• 1 tablespoon brown sugar
• Juice of 1 lime
• 1 teaspoon ground turmeric
• Salt, to taste
• 1 pound large prawns, peeled and deveined
• Fresh cilantro, chopped, for garnish