
Popular choices include tea,
coffee, COCOA.
The Big Bang Theory Season 2, Episode 13

...with a cup
of Swiss Miss instant COCOA.
The Big Bang Theory Season 3, Episode 15

By that standard,
Penny is cuckoo for Cocoa Puffs.
The Big Bang Theory Season 4, Episode 9

Here's your COCOA.
The Big Bang Theory Season 5, Episode 11

It's indigenous to Brazil, as is the COCOA
bean from which we get chocolate.
The Big Bang Theory Season 2, Episode 13