If you decide to do a Cheapskate Cookbook, you can have fun applying to all kinds of lifestyles – in fact use the vacation one to add in fun tidbits.
Did you know Lobster was once seen as a throw away food, that only the poorest people ate?
Seriously though, a chapter with tips and recipes from people who really live and do it, such as is fish cheaper in water country? How about a chapter for vegetarians? Or a chapter for meat eaters?
Even a great chapter (or two) for people with food allergies. Imagine trying to live and eat frugally when you have to avoid wheat and milk. It can actually be done. I can bake a gluten and milk free cake that all the inlaws love, yet if I bake it just for me, I slice it up, and freeze most of it. One cake will last a whole year!
There are lots of ways to explore cooking (as well as growing your own food) and implement them in such a way that it isn’t just cooking based. Even combining homesteading on your porch with when to buy what frugally, and how to store food safely for a year until; the next best time to buy say strawberries or cow.
Also what to look for in the butcher shop where the half a cow, pig, or chickens you bought were butchered and processed.
Write it, I’ll buy it.
When you combine growing, buying, and storage with the recipes, it isn’t just cooking, it’s lifestyle.
After all, you cook some foods differently based on whether they are canned, frozen, dried, or fresh. So helping people decide when to buy what, and how much they need, as well as how, and how much to to store would be right up your ally.