Mari’s Old School Cakes is a Gwynedd producer making nostalgic cakes, traditional bakes and sweet treat boxes. Its bakes include pink school cake, date slice, cornflake tart and larger cake slabs, with seasonal boxes and celebration-style treats alongside the old-school favourites. The producer works with familiar traybake formats, generous slices and mixed boxes, giving school-cake classics a regular place in its cake-making. Larger slabs sit alongside smaller treat boxes for sharing, gifting and family occasions.