For cookie layer, put cookies, coconut (and cinnamon) and ¼ can of condensed milk in a food processor and coarsely blend it.
With a spatula take the mixture out and lay a layer of it on the bottom of the Pyrex dish or any other clear dish.
Now lay a layer of sliced bananas. Drizzle 4 tbspns of the condensed milk on it and lay the layer of cream.
Leave it smooth on the top and sides with a spatula, garnish with some grated chocolate and bananas and refrigerate for 6 hours or more.