The famous dessert that drives the world crazy! With no oven

famous dessert that drives the world crazy! With no oven, just 1 egg! ready in 5 minutes ! ingredients : 3 large bananas 1 tbsp of butter (20g) 1 tbsp of sugar (15g) 1 egg a pinch of salt 1/4 cup of sugar (50g) 8g of vanilla sugar 1/4 cup of vegetable oil (50ml) 1/2 cup of milk (100ml) 1 cup of all purpose flour (120g) 3 tbsp of cocoa powder (20g) 8g of baking powder 1 tsp of vinegar (5ml)