I've been watching McDonald's CEO Chris Kempczinski's Instagram posts for months. I was shocked when his review of the "Big Arch" went viral.

A carefully curated authenticity contest is brewing between the fast-food giants after McDonald's CEO went viral for his Big Arch taste test.

McDonald's CEO Chris Kempczinski mentioned three things, from protein to sauces, that he expects to see more of at fast-food ...

We ordered Big Macs on Uber Eats — the costs were all over the place. The chaotic variation is a product of our modern pricing economy.

Among the sandwiches from McDonald's, Burger King, Wendy's, Popeyes, and Bojangles, one stood out.

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The first McDonald's Filet-O-Fish was created by a Cincinnati franchisee to serve Catholic customers during Lent.