CrossFit City of Lakes focuses on the latest nutritional research for athletes and the practical application of the material. Whether your goal is to improve body composition, performance or health, you will learn the latest on what, when and how much to eat. There is some technical information but you will find the material simple and practical. You are already a CrossFitter so you have the work ethic to train hard to get strong and fit. The other half of the equation, leaning out and/or building muscle mass, can be achieved through good nutrition that focuses on the quantity and quality of the foods you eat.
Please see below links for some great information on nutrition: