Vegetable oils? Fake eggs? Atkins bars? Please! The best foods for you are generally whole. Eat real eggs and use full-fat cream, eat lots of vegetables sauteed in a bit of olive oil or coconut oil. These foods satisfy, these foods have more nutrients, and these aren't frankenfoods with strange ingredients. Go whole 80% of the time, and you'll do yourself a favor.
I'm an advocate of fat - it doesn't make you fat unless it's in excess. Eat the real stuff, not the chemically processed stuff! That goes for everything, and do your best to buy sustainably if your budget allows. Indulge occasionally!