In 1 saucepan add 1.5 litres water and bring to the boil. Add 250g of Agrino lentils to the boiling water and simmer for a minimum of 35 - 45 minutes, or until lentils are nice and soft.
While the lentils are cooking, add the rice to a separate saucepan and cook. Sauté one large chopped onion in olive oil in a third pan with the olive oil.
Once the lentils and rice are cooked and drained, mix them in together with the sautéed onions and season to taste.
Serve with a drizzle of olive oil and accompany with black olives if preferred.