Peel the pumpkin and cut it into cubes.

Add 1 cup of sugar and 1 cup of water, then cook over heat until tender.

Drain and mash well.

Prepare the béchamel with 1 tablespoon of butter, 5 tablespoons of flour, and the milk, then add the water from cooking the pumpkin.

Grease a baking dish with butter, add the pumpkin, top with nuts, then pour over the béchamel and bake until golden.