I just watched Marcela Valladolid make this on the foodnetwork and I just about fell out of bed it looked so good. (Yes, out of bed because the show is aired too early in the morning ;o) ) I usually have all the ingredients on hand to make this cake so I'll be getting out of bed soon and might have a slice for breakfast. The flan and the cake batter switch positions while the cake bakes, resulting in a cake with choclate cake on the bottom, and flan on the top. I have changed the cooking time from 1 hour to 1 hour and 15 minutes. Please use the toothpick test to check for doneness.