"I would just about kill for a..." is an offhand phrase usually meaning that you desire something greatly; so much so that you might do just about anything to get it. When I say offhand, I mean it is said without any real intent of doing any bodily harm to any living creature. Oh yes, there are a few out there who would do just that, kill to possess, but they have emotional and/or mental problems, and I'm not going to get into such a serious topic as that.
So let me finish my offhand comment, "I would just about kill for a knish" and not any old type of knish, but a Gabila knish ( http://gabilas.com/ ). I grew up on these as they were always available at any hamburger/hotdog place, and most especially at the hotdog wagons seen on the streets of New York City. Eventually they became available in the supermarkets, so you could heat them up at home at your leisure; baked in the oven or deep fried, they were the ultimate handheld comfort food. Squares of seasoned mashed potatoes encased in a pastry type crust; slicing open one end and creating a pocket, so spicy brown mustard could be squeezed into it. Lordy, lordy, I am drooling even while writing this!!!
Once I moved to Pennsylvania, I either traveled to New York (only 4 hours away from home) and stocked up at a supermarket there; or had them shipped to me directly from an online store. Being close in distance, the shipping cost was just as much as the gas expense going to New York, so no big deal. However that has changed greatly since moving to Utah; the shipping cost is almost as much as a plane ticket to New York from Utah. As much as I enjoy knishes, going bankrupt to have them is just not on my list of things to do.
I have searched the internet high and low for a copycat recipe and so far nothing. I have found the round Jewish style, but I have never really enjoyed those; the taste was always a bit off for me. So I will simply just have to remember and who knows, maybe Gabila's will see this blog post, have pity on me and send me a case. One can only hope.