Marks and Spencer stores are currently dealing with a massive rush of customers trying to buy a new milk chocolate and cornflake cookie, the LADbible reports. This sweet treat has become a viral sensation, leading to situations where shoppers are waiting in lines for over an hour just to grab a pack. The cookies are being described as having a deep caramel flavour and a rich, chewy texture.
One video on TikTok shows a line stretching as far as the eye can see while bakers work hard to keep up with the constant need for more stock. Another clip shows a chaotic scene where people rush to grab bags from the bottom shelf as soon as they appear. In a third video, store employees are seen handing bags directly to customers because the shelves simply cannot stay full.
The success of this product is being tied to the social media work of Kathryn Turner, the director of product development at M&S Food. She has held her position since the 1990s, but she recently started a social media account to show off new releases. Her videos have gained a huge following, and many people are pointing to her as the person responsible for their new snack habits.
She has a big impact on her followers
Her followers are quite vocal about the impact she has on their spending. One person wrote, “Kathryn, have my life savings at this point,” while another commented, “Hello, I’m Kathryn Turner” = “Hello, say goodbye to £60.” A third person joked about their own self-control, saying, “We love you Kathryn but PLS some of us are trying to lock in.”
Not everyone is looking at the situation with total excitement, though. Some people are finding the extreme demand a bit strange. One person compared the frantic shopping to the early days of the pandemic, saying, “Reminds me of Covid time and toilet rolls.”
Another person expressed disbelief at the intensity of the trend, writing, “All this for cookies seriously the f**** levels are through the roof.” Despite the chaos, the sales numbers are massive. One social media user noted the scale of the success, stating, “600,000 thousand bags sold in 18 hours, other retailers can only dream!!”
Published: Nov 13, 2026 05:30 pm