I wanted to thank you all for this tread and all the info contained herein. As it so happens I had to do a wedding cake this weekend with Lemon Curd filling. Im not really a fan, and as it turns out, it was because of the crap recipe I had. I did a little tweeking to the Sherry Yard Recipe, doubling the original, adding 1 extra egg yolk, 2 extra table spoons of butter (just cuz butter makes everything betta) and another 1/3 cup of sugar (I guess my lemon tree is a little on the tart side so it was necessary). It came out pretty thick, like pudding and was wonderful to fill the cake. I have a ton left over so Im making a bunch of goodies to use up the extra.