Lemon and Vanilla Soufflés

I love the combined flavours of lemon and vanilla. These soufflés make delicious eating for a special lunch- or dinner-time pudding. They are convenient to prepare because you can make them in their entirety, including folding in the whisked whites, then cover the whole lot with clingfilm, get washed up, and leave the soufflés for a couple of hours. Whip off the clingfilm before putting them into the oven to cook. But, as with all soufflés, they must then be eaten immediately – dust with ic