 With 85 percent of Americans partaking in the meal, an estimated 276 million Americans dine on the festive poultry, spending an expected $1.05 billion on turkeys for Thanksgiving in 2016.Mashed potatoes with gravy, stuffing, sweet potatoes, cranberry sauce, sweet corn, various fall vegetables, squash, Brussels sprouts and pumpkin pie are among the side dishes commonly associated with Thanksgiving dinner.Green bean casserole was introduced in 1955 and remains a favorite.