I've always wanted to make a yule log or what the French call a Bûche de Noël. A few years ago I took the risk and made a really successful one. Now I've made it a family tradition to bake a yule log or roulade almost every December. But actually roulades (fatörzs) have been a tradition in my family for quite some time. My great Aunt Piroska, who was actually my dad's aunt, used to make roulades every time we visited Hungary. I clearly remember eating a slice of her famous roulade on my 15...