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Today, I decided to cook a large batch of pilaf for the week. I bought a big piece of pork at the store. At home, I started cutting it up, removing a lot of fat – several large chunks. After thinking about it, I put the fat in a pan, rendered some of it, and used it to cook the pilaf. It turned out quite well, and I didn't notice any significant improvement in taste, so there's no real reason to go to the trouble, but it's a perfectly viable method.