thick slices of bread (can be sandwich bread; I used orange bread made in a bread machine the day before, five thick slices cut in half) • milk (about 500 ml) • Ground cinnamon (to taste) • dark chocolate chips or chopped dark chocolate (about 175 grams) • eggs • sugar (about 150 grams) or 1 1/2 tablespoons saccharin (about 20 grams) • heavy whipping cream (about 200 ml) • For decoration: • dark chocolate for melting (about 75 grams) • Cinnamon (optional) • Powdered sugar (or sucralose) (optional)