Are you shying away from nuts because you think they are too high in fat and calories?
It’s true that they are high in fat, but almost all are high in the GOOD fats. High in calories? Yes, but also high in a multitude of other beneficial minerals like selenium. Eat a little, gain a lot of health benefits.
Check out this article from the Harvard Medical School: http://www.health.harvard.edu/fhg/updates/update1004d.shtml