Pitdog,
This recipe reminds me of a recipe from the book Appalachian Trail Hiker. It's been about 20 years since I read it, so I might be misremembering a bit, but as I recall, the author said that while he hiked the A.T., he liked to eat a mixture of peanut butter, dehydrated milk powder, honey, and bacon fat.
In regard to keeping your mixture in your PSK as survival food, I have mixed feelings. As you may recall, I went for about a couple months without eating, a couple Summers back. I don't recommend anybody do that; nonetheless, it did change my view about the need for food for a short-term emergency survival situation. Since then, I haven't really felt it's that important to carry any rations in my PSK.
Suppose you carry 500 calories worth of this stuff in your PSK, which we'll assume is at least a few ounces of weight, with commensurate volume. You have what? less than a quarter of a day's worth of food for a sedentary day for a small person? Something like that. Meanwhile, that's a considerable amount of space and weight, within the confines of PSK. Most people seem to like an Altoids tin sized PSK; 500 calories worth of this stuff wouldn't even fit in an Altoids PSK. I like a larger PSK than most (about 32 ounces, currently, which comfortably fits in my pocket, but without much extra room). Even in an unusually large PSK like mine, a few ounces of this stuff would have to come at an opportunity cost of leaving behind something potentially much more valuable to survival than ~1/4 day food supply such as leaving behind my bivy sack, or knife, or fire kit, or first aid supplies.
I do think that "survival food" has some value. Some potential benefits I can imagine:
1) It's comforting, and might improve your morale.
2) Digestion will help you a little bit with staying warm for a few hours.
3) It can help break a cycle of panic, and help you stop, think, observe, and plan.
4) it will forestall hunger for a couple hours, and increase your survival reserves by a small fraction of 1%.
5) Under some circumstances, it can briefly forestall diabetic issues.
6) Under some circumstances, it can briefly forestall electrolyte imbalance issues.
I DO see those as having value, but within context of the opportunity cost of items within my PSK, I don't see the value as high enough for me to carry survival food, any longer.