After that time stir in the rice and let it simmer for 13min. Continue to add the salt, pepper, prawns and dill to cook for a further 7min with the lid on. Take it off the heat and stir in the lemon juice. Place a clean towel or paper towel on top then the lid and set it aside to rest for 10min. Serve warm with some crumbled feta and a drizzle of extra virgin olive oil.