There are a number of cooks who did that, even as series or cook books. Low budget cooking or student cooking are the terms to look out for.

If you want low budget cooking, you can also look into food prepping and freezing, as large batch cooking is often a very money-conscious idea. I often cook large batches of some meals, usually 12-15 liters. Portion it off as needed and freeze it. One day of work when you’ve got the time and the ingredients are on sale, and countless hours saved on everyday cooking.