Thanksgiving is one of the biggest holidays of the year in the United States, especially to enjoy a cherished Thanksgiving dish. So, what's the most popular Thanksgiving dish in the state? The Top Thanksgiving Dish in New JerseyFirst, let's get into some fun facts about Thanksgiving. AgHires notes that "about 250 million pounds of potatoes are purchased for Thanksgiving" and "more than 50 million pounds of sweet potatoes are typically purchased for the holiday." The crew at Pillsbury has put together a report on the most popular Thanksgiving dishes in the country.