Ease up on the seasonings and sauces. The most common mistake with grassfed meat, is not realizing that grassfed meat has sufficient flavor. The flavor and texture of factory farmed meats is not the same as grassfed meat. Animals raised in the pasture, produce meat that has a distinctive flavor and requires delicate seasoning, so the true flavor can be experienced.
For more information see http://www.eatingfresh.com