Photo: Jennifer Indig If you are planning your own Thanksgiving feast or thinking about what side dish or dessert to bring as a guest, you are likely knee-deep in recipe research by now. In search of a little inspiration, Brooklyn Based asked four local chefs to share their favorite Thanksgiving sides and pies. I spent the better part of the week cooking through recipes in advance of the holiday and the results were well worth the effort. These recipes offer some refreshing new takes and twists on classics like a seared brussels sprouts recipe with a surprising glaze by Ronna Welsh of Purple Kale Kitchenworks and a pumpkin pie-cheesecake…