Answer:
If you are a sore loser, you are often called the sour variety of this fruit.
For this gourmet style of meal you'll need a pot and some pointy sticks.
Men seize it from its home, tear apart its flesh, drink the sweet blood, then cast its skin aside.
Alight or in dark, my face is a leer. In a field with my brothers, you’ll find me without bother, For that autumn day is mine.
It produces a flower but it is not its fruit; it produces branches which are its fruit.
What is round, has a twin, and sees more than most?