The key ingredients in this meal are garlic, olives and olive oil. Garlic is thought to have antiviral and antibacterial properties, so may help to boost immunity. A daily dose has been shown to lower both blood cholesterol levels and blood pressure, which is good for your heart. Olives and olive oil are rich sources of monounsaturated fats, which can also help improve heart health. The lamb and feta cheese provide plenty of protein and are good sources of well-absorbed iron and calcium, respectively.