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The stomach-busting meal sells for a wallet-busting $499 dollars (£302) at Mallie's Sports Grill and Bar in Southgate, Michigan, USA.
Restaurant owner Steve Mallie said it took eight hours to bake a bun big enough to hold the 185lb (84kg) burger.
A triumphant Maillie said: 'Being in the Guinness World Records book is the greatest accomplishment we've ever done.