If you're traveling internationally and find yourself in a McDonald's, the burgers on the menu may look very different from ...

a liquid egg-pasteurized mixture is never going to taste as good as the real thing, and Burger King is not the only restaurant to use similar mixtures. At McDonald's, sandwiches like the Egg ...

James Martin once worked in one of the oldest diners in America, so he's well-placed to judge what makes the ultimate burger recipe ... whisk together the egg yolks and mustard until well combined.