Crusty
Oranges have thick skin. Let the downvotes fly, people! You've only got one! Edit: Did not expect this joke to get this good of a reception. Thanks, guys!
Heh, disguised toast.
Feel around for the dough nuts
The pilot was a loaf of bread.
Glue a piece of toast to the ceiling
Maamilade! Tada....... anyone? Anyone? I'll get my coat