It is absolutely feasible. I do it. My wife does it. There are alternatives for almost everything, you just have to look and spend a bit of time researching.

It is absolutely feasible. I do it. My wife does it. There are alternatives for almost everything, you just have to look and spend a bit of time researching. Sometimes you have to order products on the Internet instead of getting them in your local supermarket. Also, if a product just mentions "vegetable fat" it's more than likely palm.