Heinz ketchup practically sets the standard for ... In the United States, Heinz has a few lines of classic sauces, like mustard, relish, and barbecue sauce. It’s also known for its Heinz 57 ...

Peanut butter and jelly, salt and pepper, ketchup ... to my mustard!"). But how did these two classic condiments come to be so colloquially linked? Why not, say, ketchup and relish?

Recently, the iconic mustard brand French’s and the equally unrivalled ketchup brand Heinz launched opposing new products: French’s Ketchup and Heinz Mustard This advertisement has not loaded ...