Back in 2012, the chocolate maker released a collaboration with Oreo, much to the delight of shoppers. The bar combined Cadbury Dairy Milk chocolate with pieces of the chocolate biscuit.

Any deal would need the approval of the Hershey Trust Company, a charitable trust, that maintains ... owning Cadbury, which it bought in 2010, Mondelez brands include Ritz crackers, Oreo biscuits ...