Drink with banana, chocolate and cinnamon

You will need:

50 g of dark chocolate
2 bananas
2 cups milk
cinnamon
Method of preparation:
Clear bananas, cut into circles.
Rub grated or finely chopped chocolate.
Pour the milk into a saucepan, put the chopped chocolate and bananas, to include medium heat.
Stir and bring mixture to a boil, remove from heat, using a blender or mixer to whip until foam.
Serve the drink with banana, chocolate and cinnamon, slightly sprinkled with cinnamon as a dessert.