These pitted olives are high in monounsaturated fat, iron, vitamin E and dietary fibre. They are an essential part of the nutritious and well-balanced Mediterranean diet. Packed with beneficial plant compounds such as oleic acid, olives have been known to lower the rate of heart diseases. To use olives, toss them in your salad for a bold flavour or top them on your pizza. They are also a fantastic addition to cheese platters and homemade dips.