Depends on your region but usually apples.
Apples is what I would say. I'm a chef and I use a lot of apples that time of year.
Probably apples.
if you are asking me "what is the most popular berry in Thanksgiving" here is what the most likely going to be or is going to be: the most popular berry is going to be "cranberry" this kind of population of berry for thanksgiving will probably never change.
thanksgiving
Turkey
mashed potatoes
The most popular 'fruit' in the world is of course, the tomato!!! But what is the second most popular (ie, what most people would consider to be a real fruit in the common usage of the word)?
bananas are the least expensive and most popular fruit.
The most popular fruit flavor for ice cream is strawberry.
the most popular dish in Mongolia is mostly turkey. it is very popular ESPECIALLY during thanksgiving.
banana
apples
what is the most popular fruit in America