Heinz 57 is a shortened form of a historical advertising slogan "57 Varieties", by the H. J. Heinz Company from Pittsburgh, United States. It has come to mean anything that is comprised or mixed from a lot of parts or origins. It was developed from the marketing campaign that told consumers about the numerous products available from the Heinz company.
Read more about Heinz 57: Usage, 1934 Cookbook Products, Bottle Design, Other Uses