A dessert of sponge fingers soaked in kirsch, layered in a mould with chopped crystallised fruits (US: candied fruits) and raisins and filled with vanilla-flavoured custard and then baked.
"Raising powder." Raising agent used to make a baked mixture light. It may be baking powder consists of bicarbonate of soda (US: baking soda) and cream of tartar mixed with flour or starch.