Before revision: It is also used in cooking ; one common use is for the creation of the layer of hard caramelized sugar in a crème brûlée.BBC - Food, Caramelising with a blowtorch .
After revision: It is also used in cooking : a butane torch may be used to create the layer of hard caramelized sugar in a crème brûléeBBC - Food, Caramelising with a blowtorch .