- M&S is bringing back the Red Diamond Strawberry & Creme Sandwich for the second year running with long-term supplier partner Greencore
- This year, M&S is building on innovation to its food-on-the-move range with a brand new Chocolate, Strawberry & Pistachio Creme Sandwich
- The chocolate sandwich, made with Fairtrade dark chocolate sauce and roasted pistachio crème has been made possible by a new dedicated nut production facility at Greencore’s Northampton fortress factory, opened this year after a £900k supplier investment
- The dedicated nut facility enables M&S and Greencore to safely and consistently develop food-on-the-move products containing nuts at scale
- Last year’s Red Diamond Strawberry & Creme Sandwich sold over one million units in just five weeks
Today, Marks & Spencer is launching its latest food-on-the-move innovation, the new Chocolate, Strawberry & Pistachio Creme Sandwich, made possible by a £900k investment from long-term supplier partner Greencore in a dedicated nut production facility at its Northampton fortress factory.
The new sandwich launches just in time for Wimbledon and brings together best in season British strawberries with a layer of Fairtrade dark chocolate sauce on one side and roasted pistachio crème on the other, all served on cocoa-enriched bread. It follows the success of last year’s Red Diamond Strawberry & Creme Sandwich, which sold more than one million sandwiches in just five weeks, and demonstrates how M&S Food continues to protect the magic of standout product innovation while transforming the capability behind it.
The product is made by Greencore, M&S Food’s biggest producer of sandwiches and food-on-the-move, at its Northampton M&S 'fortress factory' – a dedicated M&S facility supporting M&S’ growth ambitions in one of its most important categories.
In January 2026, Greencore opened a new dedicated nut production facility at the site to help bring M&S innovation to life following a £900k supplier investment. The facility has been designed to enable M&S food-on-the-move products containing nuts to be made safely, consistently and at scale, supporting both the launch of the Chocolate, Strawberry & Pistachio Creme Sandwich and recently launched Bang Bang Chicken Wrap.
The launch is a practical example of M&S Food’s transformation strategy in action: building long-term supplier partnerships, protecting differentiated capabilities through the 'M&S fortress factories' approach, and giving supplier partners the right contracts and confidence to invest in the capacity, quality and innovation needed to support future growth.
M&S and Greencore are also exploring further development opportunities in food-on-the-move ranges where nut ingredients could be used to improve flavour, texture and innovation.
Alex Freudmann, Managing Director of M&S Food, said: “Our long-term supplier partnerships are central to the transformation of M&S Food. They give us the confidence and capability to keep innovating at pace, while investing with us in the quality, consistency and scale our customers expect from us. Greencore’s dedicated nut production facility at Northampton is a great example of that partnership in action - creating new capability in one of our fortress factories and helping us bring distinctive, market-leading products like our Chocolate, Strawberry & Pistachio Creme Sandwich to customers.”
Dalton Philips, CEO of Greencore Group, said: “The new dedicated nut production facility at Greencore Northampton is a great example of what a genuine long-term partnership looks like in practice. We invested in the capability, M&S brought the product vision, and the result is something customers are really going to love. I am so proud of what we have delivered together.”
The new Chocolate, Strawberry & Pistachio Creme Sandwich is available in M&S Foodhalls from today (24 June).
ENDS
For further information, please contact:
M&S Corporate Press Office: +44 (0)20 8718 1919
[email protected]