Peanuts. An interesting food. An interesting word. You can also make a lot of other words from the letters in peanuts.
If you remove n-u-t-s, you have pea.
If you remove the "p", the "e", and the "t" you have "anus".
If you remove the "a" and the "t" you have "penus".
if you remove p-e-a, you have "nuts", to go with the penus.