skip to content skip to search skip to navigation Listen Live skip to logon

Why are raw prawns coloured grey?

prawns.jpgQuestion

Why do crustaceans always turn pink when you cook them? Prawns are grey when raw, but turn pink when cooked.
Steve, Beckenham

Answer

** Definitive **
Name: Sean, St Albans
Qualification: Chef
Answer: Lobsters have cobalt in their blood, which makes them look a grey-blue colour. When it's heated, it turns to a red colour. They are cold-blooded.

In this Section