The 90g sharing bar features smooth white chocolate with crunchy cookie pieces.
Molly Slater-Davison, assistant brand manager for Milkybar, said: “Cookies and cream is a classic combination for a reason, and we believe our delicious white chocolate makes it unbeatable.
“We are always looking for new ways to innovate and delight fans, and we hope they love this new sharing block as much as we do.”
Milkybar Cookies & Cream, which will go on sale over the next few weeks in wholesalers and convenience stores, retails at £1.00.