Dave’s Ribs Hickory Smoked BBQ in Harwich, Ma, offers smoked fish plates which are listed on the menu as gluten and dairy free.  After contacting Dave, I discovered that most of his menu is gluten and dairy-free.  This includes all of the sauces and rubs.  He doesn’t use thickeners of any kind.  He has been a chef for over 50 years and takes pride in using natural ingredients and believes in the slow cooking process to enhance sauce flavor and to let thickening  occur naturally.  Sides of beans, oven roasted potatoes and German potato salad are gluten and dairy-free, however, the cole slaw is gluten-free only.  He kindly offers tastings for those who want to sample menu items.