Answer:
I'm a long, greenΒ-skinned fruit with watery flesh, usually eaten raw in salads or pickled.
I'm a pie, but I come with peperoni and cheese
It nukes food at the touch of a button.
Both peaches and a certain couture have this in common.
What is eaten by man, served among many, grown by many, and white as snow?
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?