How to make
Preheat the oven to 340°F (170 °C). Grease and flour muffin cups. Beat the butter with the sugar until it becomes a fluffy mixture. Add an egg, beat well, then add another and beat well.
Add the vanilla essence. Mash the bananas with a fork and add them to the dough. Sift the flour with the baking soda and baking powder.
In lots, add the sifted flour and milk to the dough. Lastly, add walnuts and stir with a spoon. Distribute the dough into the muffin cups and bake for 35 to 40 minutes.
While still hot, pour the glaze on top.
For the glaze, beat the cream cheese briefly and add the melted butter and chocolate. Beat to a homogeneous mixture.