How do you kill prawns humanely?

Chef's answer
Death will usually occur at -15 deg C. However, it is best to reduce the temperature slowly, so that the prawn does not go into shock. The prawn should then be humanely killed by rapidly cutting through the centre line of the head and tail.
Frequently asked Questions 🎓
Instructions
  • Heat 1 tsp oil in 12 inch skillet over high heat until smoking.
  • Meanwhile, toss shrimp with salt, pepper, parsley and crushed red pepper.
  • Add half of the shrimp to the pan in single layer and cook until edges turn pink, about 1 minute.
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    Prawns can be bought raw or cooked. They can be used in the same way and in the same kind of dishes, though cooked prawns can be eaten cold as they are. When raw, they are blue-grey in colour (and are sometimes called green prawns). ... You can find pink and brown varieties of shrimp, and they are sold ready-cooked..
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  • Soak shrimp in brine. Soak quickly in brine to keep lean seafood moist as it cooks and season it throughout. ...
  • Remove shrimp and pat dry. Remove the shrimp from the brine and discard liquid. ...
  • Sear shrimp. Sear the shrimp in a cast-iron pan. ...
  • Serve immediately. Enjoy soon after cooking for the best texture.
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