Chocolate and Peanut Butter Crumb Babka

Growing up in New York, babkas were a part of my life. They're sweet, yeast risen cakes common in Eastern Europe (and, obviously, New York) where they were typically filled with dried fruit. The Jewish version is more common now and filled with chocolate and cinnamon, twisted into a loaf shape. If you're a fan of the old Seinfeld show, you know that Jerry considered the chocolate version