Food has gotten more complicated in the last 5ish years. Big corporate pushes to “streamline” supply chains have happened at the expense of quality. It’s slowly reverting back but if you keep a food journal of what your good at digesting and what makes you feel sluggish, you’ll likely find good sources to make you both ripped and happy to cook your own meals. It’s both art and science.
Idk if your gut biome is like mine, but I used to get $20 roasts and ready rice. Total cost was between $25 to $30ish dollars and that would feed me for most of the week. I would just carve a chunk off the roast and fry it every time I was hungry. Meat digests slower, I was hungry less, got ripped much quicker.