Seville Orange Pudding

It is a shame that the Seville orange (which these days seems to come mainly from Cyprus and Sicily) has such a short season, as its tangential relationship to the sweet orange (like the lime to the lemon) can offer interesting variations on familiar themes. It can be used successfully in Sussex Pond Pudding, in marinades for hare, wild duck, and venison, in ceviches and indeed as a substitute for limes in salsas and syrups.

This is one of those sponge puddings that forms its own sa