Rinse the cherries, remove the stems and pits, and bring to the boil in a saucepan. Boil well, add the bananas.
Grind coarsely with a hand blender, season with cinnamon and ginger.
Mix the N-gel with the rum and pour it to the fruit.
Make two minutes, sweeten with honey and fill into glasses on the spot.
N-gel: consists of locust bean gum and other additives such as lactose.