The butter is cut into thin slices, half is placed in a suitable tray, top rank bananas - whole or in halves. Above the rest is distributed butter, and sprinkle with sugar. Bake in preheated oven at 200C lower grille 20-30 minutes, until a thick sauce on the bottom of the tray. Moves to the upper grill and bake on top of the broiler for 5 minutes until browned on top banana and sugar is caramelized. * Caution should be exercised in the last five minutes because the sugar is caramelized surface quickly and bananas can burn in seconds.