Mandarin Tart with Armagnac

This is a tart that I make during the winter months, when fresh berries are scarce and expensive but citrus fruits are plentiful, juicy, and reasonably priced. Because this recipe uses a thin layer of sponge cake, it is a sensible choice should you have leftover sponge from another project. But don’t wait for that to try this refreshing combination.

The Almond Sponge Cake is very quick to make, so rather than just making the amount needed for the tarts, it is a good idea to make the