For the banana chili muffins, preheat the oven to 180 °C. Grease the muffin tins and leave them on the sides.
Peel the bananas and cut into small cubes. Mix flour with baking powder, vanilla sugar and the cinnamon.
Cream butter with powdered sugar, slowly add eggs one by one.
Stir in banana cubes and the banana-chili fruit spread. Fold in the flour mixture and add milk and rum to complete the mixture.
Pour the banana mixture into the greased tins. Then bake for 30 minutes.
Let cool a bit and cover with the chocolate icing. Decorate the banana chili muffins to your heart’s content.