Answer:
Man's most important invention.
This is a dish containing beans, sometimes baked but, despite the name, usually stewed, in a sauce
I have a pet, his body is full of coins
One am I, among six others: Largest, smallest, cold, dark and two brothers
Lots of them make up a word, And lots of words are in them. It's easy when you think about it. A while ago we stamped and mailed them.
How did the farmer find his wife?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?