The 32-year-old "Fight for This Love" hitmaker the limited edition Belgian Chocolate Crunch Bars, from the sale of which 5 per cent will go to her trust, reported Digital Spy.
The trust was set up with an aim to help disadvantaged young people in the North East of England.
The X Factor judge recently spoke about her new foundation will help people get on the right path in life.
The treat developed in collaboration with Greggs will on sale from September 8.
She applauded the bakery for supporting the trust.