In our house, chocolate is a food group. No, I’m serious. I have a 4-year-old who is The Most Picky Eater in the World. He currently lives on Peanut Butter Chocolate Chip Lara Bars, Justin’s Chocolate Hazelnut Butter sandwiches and Pediasure chocolate shakes. Being a good farm-to-table locavore mom (ok, except for the Pediasure), I…