The Z.
The Z. answered Didge Doo's question

Fat? Gassy? Sleepy? Elevated cholesterol?

Ol' Popeye should have been an astrophysicist. 

In a sense, "food" for thought IS something to "chew on", or "digest", to "see what comes out" ...though the metaphor admittedly does become rather unsavory in that context...

Food for thought.