das Ketchup
ketchup
A thick, seasoned sauce made from tomato paste, vinegar, sugar, and spices, eaten cold with food.
Kinder essen ihre Pommes frites am liebsten mit viel Ketchup.
Children like eating their French fries best with lots of ketchup.

ketchup
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ketchup
A thick, seasoned sauce made from tomato paste, vinegar, sugar, and spices, eaten cold with food.
Kinder essen ihre Pommes frites am liebsten mit viel Ketchup.
Children like eating their French fries best with lots of ketchup.

Officially, the article is 'das Ketchup'. In colloquial language, especially in some regions of Germany, however, 'der Ketchup' is also very common and often used.
Reichst du mir bitte mal das Ketchup?
Could you please pass me the ketchup?
Ketchup is typically eaten with fast food and simple dishes. Common combinations are 'Ketchup zu Pommes' (ketchup with fries), 'Ketchup auf die Wurst' (ketchup on the sausage), or 'etwas in Ketchup tunken' (to dip something in ketchup).
Er isst seine Bratwurst immer mit ganz viel Ketchup und Senf.
He always eats his bratwurst with a lot of ketchup and mustard.
The word 'Ketchup' is often used as the base word for different types. Typical examples are 'Tomatenketchup' (tomato ketchup), 'Gewürzketchup' (spiced ketchup), or 'Curryketchup' (curry ketchup).
Ich persönlich mag Curryketchup lieber als normales Tomatenketchup.
Personally, I like curry ketchup better than regular tomato ketchup.