Definition: scrub

The purpose of glazing is to give them shine, and it must be done as soon as they come out of the oven. To do this, a solution of gum arabic is applied with a brush to the cakes as they come out of the oven. In some cases, the gum arabic is replaced by boiling milk sweetened to a syrup consistency. The gum arabic is added to the syrup and brushed onto the cake.