Answer:
This is a pear-shaped fruit with a rough leathery skin, smooth oily edible flesh, and a large pit in the center. It is most used in guacamole dip
You throw away the outside, eat the inside, and throw away the inside. What is it?
I'm a long, green-skinned fruit with watery flesh, usually eaten raw in salads or pickled.
Grown in the ground, it's taller than you. Strip off the outside, the yellow pieces you chew. What is it?
This baked dish consists of an opentopped pastry case with a savory or sweet filling.
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?