A restaurant is serving up a massive steak which weighs more than a newborn baby lamb — and costs $250.

Cattlemans Steakhouse serves the 200-ounce monster along with garlic bread, fries, onion rings, mushrooms, tomatoes and cole slaw.

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It is designed to be shared by four people, and any group which completes the meal within one hour gets it free of charge.

So far 10 groups have attempted it — but only two have finished it.

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Four people can take the challenge as a group, but they must finish within an hour to earn the meal for free. (SWNS)

"Challenges seem to be all the rage, and we wanted to bring a bit of fun to the restaurant," said a spokesperson for Cattlemans.

"We don't get people doing it every night, but we've had a few."

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The restaurant in Paignton, Devon, also has a $125 100-ounce steak challenge for one person, which has only been completed once.

steak challenge 3 swns

"Challenges seem to be all the rage, and we wanted to bring a bit of fun to the restaurant," said a spokesperson for Cattlemans Steakhouse in Paignton, Devon. (SWNS)

"The 200-ounce challenge is very doable," said the spokesperson before admitting, "I've not tried it; I could never eat that amount of steak."