Kraft Heinz is studying a potential spin off of a large chunk of its grocery business, including many Kraft products, into a new entity that could be valued at as much as $20 billion on its own, a source familiar with the matter said on Friday.

Packaged foods giant Kraft Heinz is studying a break-up a decade after Warren Buffett and 3G Capital merged the two brands, people briefed on the matter have said. The decision comes after the company known for Heinz Ketchup and Kraft Macaroni & Cheese in May said it was considering several options to reverse its persistent underperformance,

Kraft Heinz Co. is preparing to break itself up, people familiar with the matter said, as the US food company looks to combat shifting consumer sentiment and reverse a sagging share price.