Macadamia nuts are super tasty with a smooth texture that makes them irresistible. Macadamias offer the highest amount of monounsaturated fats of any nut and are also a good source of fiber. From the FDA supportive but not conclusive research shows that eating per day of macadamia nuts, as part of a diet low in saturated fat and cholesterol and not resulting in increased intake of saturated fat or calories may reduce the risk of coronary heart disease.