A place like a block away from me actually sells this. I don't know about the butter part. I might have to get one and do a Retsuperae about choking it down for the benefit of Yr. Wrshps.
I am really, absolutely not kidding when I say that today, just about two hours ago, I was thinking about the "In the boudoir the gourmand metamorphoses into the voluptuary" line from this episode and I just started chuckling like a moron. My wife asked me about it. Ask her.
You know what else is good? Creamed spinach. Creamed spinach, paneer cheese, a couple onion rings, and some mango chutney, on a curry paste infused burger.