The classic combo of Rhubarb & Custard is back, and it's had a gourmet glow-up. Nostalgia never tasted so good.I'm sweet, tart and gelatine free. You're clearly a sweetheart because you picked me.Introducing the new and exclusive British Classic Reimagined range for M&S — where timeless British favourites meet gourmet imagination.We’ve taken classic icons of British taste and reimagined them into Plant Powered, flavour-packed sweets like you’ve never tasted before.