Unlike most cakes, mug cakes are made in the microwave so knowing when it's ready to eat can be a little tricky, especially if you don't want to poke too many holes in the top of the dessert.

Savvy brides and grooms are ditching pricier bespoke wedding cakes and turning to their favourite supermarkets for shop-bought, ready-made wedding cakes, from stores like Marks & Spencer and Waitrose.