The idea of serving a big mixed salad at Thanksgiving is, in theory, a good one — you want something light, crunchy, and refreshing to balance out the roast turkey and rich holiday side dishes. The reality, however, is that most salads need to be tossed at the last second and eaten quickly before wilting — not the best choice when there’s a lot going on in the kitchen already and the food might sit out for a few hours.