I found it was easiest to just stop eating complex foods at home. If I want a prepared meal I go out. If I stay in I eat minimally prepared things.
My health has improved dramatically.
Of course this isn't a viable option for most non-single people.
Tim Ferris makes an argument for eating simply and with little variety in the 4HB. I've somewhat taken up his breakfast suggestion of a microwaved tex mex scramble with a base of egg whites for breakfast.
I used to fry a couple of eggs up in the morning and have toast. Microwaved egg whites with beans are faster and better for me. Tasty, filling, low glycemic index. Minimal time, cost, and cleanup.
Links about elementary cooking, food storage, etc.
Here's the premise: