It’s hard to believe what people can find to argue about these days, but one big kerfuffle in the culinary world is about how to crack an egg. Some home cooks say hitting the shell on a flat surface, like a counter, is less likely to rupture the yolk, but others argue that the edge of a bowl produces a stronger break. And then there are those who suggest using a knife, or cracking an egg against another egg.Who knew there were so many ways to complete this simple cooking task? Well, chefs, of course — and they shared their opinions with us. When you consider how many eggs a home cook cracks in a day, compared to how many a chef might crack, it’s probably wise to follow the advice of these professionals. As Bjorn Thompson, executive chef at Breva at Hotel Ivy in Minneapolis, said: “After cracking a few thousand eggs, I developed a preference for how to streamline the p