The waiter arrives to your table with a basket of French fries and shrimp salad. When the server leaves, you may reach for ...

Following is a transcript of the video. Narrator: Ketchup, it's everywhere in the US. 97% of Americans have a bottle in their fridge. It's the sauce we put on our hamburgers, our hot dogs ...

This story appears in the February 2019 issue of National Geographic magazine. Ketchup—that cheerful red sauce sold in handy glass bottles—first came on the American market in the 19th century.

Close beetroot sandwich with plain bread. Spread mayonnaise on top. 5. On the fourth slice, spread mayonnaise and tomato ketchup. Place it on top of the mayonnaise side of the sandwich. 6. Place ...