Place the grated pumpkin in a bowl, add the sugar, cinnamon and breadcrumbs and mix. Taste to see if you are pleased with the flavor, otherwise you may add more sugar and cinnamon. Blend in the eggs.

Oil a baking pan, lay one sheet of the puff pastry and pour in the mixture. Cover with the other sheet, oil it a bit, use a knife to cut slightly the upper pastry sheet in different places and bake at 180 ° C for 40 minutes approximately.

When it is baked, sprinkle with icing sugar and cinnamon.