To make it easier to turn cakes out of the tin, sprinkle the greased tin with granulated sugar. This simple trick gives the cake an attractive colour and makes it pleasantly crisp on the outside.
Whether sugar is processed from sugar beet or sugar cane, its purest form is white granula sugar, since it purity consists of around 99.9% sucrose. The crystals are large enough to stay crunchy when added to milk or yoghurt.