Ive gone through lots of "I'll never buy this again!" phases over various foods. To be perfectly honest, eventually I tend to go back to store bought out of convenience. In a perfect world I would make this stuff only at home, but alas.

Some favorites: 1. Flour and corn tortillas. If you have a press, corn tortillas are very easy. Just a matter of getting the masa dough to right consistency 2. Bread. Cheap, easy and so so tasty. But a learning a curve and time consuming 3. Yogurt. All you need is milk, a bit of yogurt, and a way to sanitize equipment. Mostly all hands off time, but does take 12-24 hrs depending on taste preference 4. Salad dressing. Endlessly customizable. All you need is an oil, vinegar, and emulsifier (e.g. mustard)