By no means do I claim to be a master chef, but I have prepared a lot of things that taste quite good, and I think that it is rare that I will come up with something that is bad unless I am missing key ingredients and trying to substitute with unknown stuff. However, I don't use recipes. In fact, when I have used recipes the results have been mediocre at best, and sometimes not good at all. I don't measure anything. Even with seasonings, I'll use spices or herbs that seem like they might go well with whatever it is that I'm cooking. The biggest downside is that I nearly always end up with more than what I need. Probably this is because when I find that I have put too much of one thing in, I have to add more of other things to compensate, the end result being enough food to feed four people when I am intending to feed only one or two. Another downside might be that I can never cook the same thing twice because the next time I try, it will be different; still good, usually, but different.