Our English can also benefit from Jamie Oliver's cooking lessons, although, I must admit, this is not easy at all, and I think that even advanced students will have to fight hard to get a full understanding of what Jamie says. He talks so fast, he says so many things in such a short time, he uses so much specific vocabulary that it is really hard to think of him as the perfect native speaker to improve our English.
Anyway, for the sake of variety, let's give it try.
Self-study activity:
Watch this short video in which Jamie Oliver shows how to make popcorn, perfect popcorn. Just note down the ingredients and kitchen utensils he mentions, simply that.