Ketchup isn't even American – The Language of Food explains how tomato sauce has origins in Vietnam, Cambodia and Indonesia dating back to the 17th century | South China Morning Post
Ketchup isn't even American – The Language of Food explains how tomato sauce has origins in Vietnam, Cambodia and Indonesia dating back to the 17th century | South China Morning Post
The History of Ketchup | Allrecipes
Heinz's Decades-Long Attempt to Convince Australia That Ketchup Is Awesome - Gastro Obscura
ketchup - Wiktionary
Ketchup's Chinese origins: how it evolved from fish sauce to today's tomato condiment
Why is ketchup called ketchup?
Amazon.com: Heinz Tomato Ketchup (32 oz Bottle)
Why Heinz ketchup bottles still say '57 varieties' - CNN