Tamar Adler wrote An Everlasting Meal heavily based on How To Cook a Wolf, A book published during World War II all about how to live and cook smartly and well under wartime rationing. An Everlasting Meal deals with getting the most from your food, cooking things that are fresh and in season, and thinking about cooking in a sort of elemental modular fashion, where one creates one item and then can use it across many meals in an almost transformational way.
Use the greens from carrots to make a Salsa Verde, like chimichurri, roast the carrots, roast your chicken legs at the same time. Make a broth while you cook down one dish to reuse as the base of another soup... You can go on and on. use all the parts. The food keeps giving
I cook this way all the time now. It is the foundation of how I look at cooking. Get fresh food, put it together, improvise. The book sort of demystifies cooking. Rather than some huge undertaking, gathering the most beautiful ingredients JUST FOR THE ONE MEAL, lavishly combining them, spending the whole afternoon processing and watching... The method now is just, get fresh stuff, put it together, be creative. Cooking well need not be a huge deal. Its a regular simple practice, and an essential part of a life well lived.