"For the uninitiated, a Babka is a kind of swirled coffee cake - a sweet yeast dough is rolled out very thin, sprinkled with filling, rolled up and twisted, sprinkled with streusel and baked. The filling for this babka was submitted by someone named Lilia on allrecipes.com - it is the best chocolate babka filling in my experience. I use my favorite challah recipe - Andreas Challah - for the dough. Feel free to use the yeast dough of your choosing. For brevitys sake, Im starting this recipe with the assumption tha..."