I have a basic recipe, but have never made it the same way twice. I am the most picky about the fat I use. Most very lean meat works, including really cheap, tough beef, deer, elk, or antelope. Trim all the fat and silverside from the meat.
Dry lightly seasoned meat to get 2# of very dry meat. When I make jerky, I take the jerky out, and leave a few pounds of meat to continue drying. Let it dry to where it cracks or breaks when you try to bend it. Grind the meat to a powder. I use a lava molcajete, but a food processor would probably work better.( And be much easier )
Render down about a pound of good hard white fat. Heat the fat to where it simmers, then strain out any impurities, I use layered cheese cloth. Get all the moisture out of the fat, like making ghee.
Pound or grind 2 Cups of dried fruit ( cranberries, raisins, dates, apricots, etc), mix with the meat powder, and add enough very hot fat to be able to form into a firm brick. Knead in options, like a Tablespoon of honey, sunflower seeds, sesame seeds, or unsalted slivered almonds. Press down into a pan to about an inch thick rectangle. When cool enough to handle, cut into 2 inch squares, and vacuum seal.
They should be shelf stable without refrigeration for months if you get all the moisture out. I keep mine in the freezer til ready to use.