Watch: Can I finish the world's largest gyoza?
Leslie takes on the giant gyoza challenge at Kagurazaka Hanten in Tokyo
We sent our man Leslie to Kagurazaka Hanten in Tokyo, to try to eat the biggest dumpling we've ever seen. Weighing in at just over 5 pounds and filled with pork and spring onion, it really wasn't an easy challenge.
With only an hour on the clock, see how he does.