Underneath the purple-and-white ombré coat of sweetened coconut, cookbook author and blogger Hetal Vasavada's slim, tall layer cake is bound with a cloud-like layer of Swiss meringue buttercream. But ...

Ombre hair, ombre nails, ombre clothes — if you think this season’s colour fad is limited to fashion, think again. Ombre can be applied to almost anything, including this gorgeous ombre layer cake.