My DS love YPs so we have thim in some form (T in the H or YP) weekly.
They are always so disappointiing taste great but look, well, deflated.
I have done Good Housekeeping and Delia's recipe and just accepted, after changing fat, double sieving flour etc that may I my oven was not up to it.
At the weekend I used a Nigella recipe, it was a revalation. Oh. My. Goodness. They were huge!!