Prepare all ingredients:
Peel the pumpkin and remove the seeds.
Dice the flesh.
Place the pieces of pumpkin in a saucepan with the milk.
Cook 15 minutes.
Butter and flour 4 soufflé molds.
Drain the pumpkin...
...and mash into purée.
Add the egg yolks, crème and grated cheese to this purée. Add salt, pepper, and nutmeg.
Beat the egg whites very firm...
...and delicately add them to the pumpkin purée.
Dispatch this preparation among the 4 prepared soufflé molds.
Bake in hot oven 240°C for 5 minutes, lower the temperature to 180°C and continue to bake 10 minutes.
Serve immediately, it can't wait !