Broccoli Gratin

Directions

1. 1
   Peel the potatoes and cook in boiling salted water.
2. 2
   Wash and chop up the broccoli and cook in boiling salted water for 20 minutes.
3. 3
   Drain the brocoli and potatoes and blast quickly in a blender.
4. 4
   Add the creme fraiche, half the gruyere and the egg yolks.
5. 5
   Season with salt, pepper and nutmeg.
6. 6
   Beat the egg whites until firm and add.
7. 7
   Pour into a gratin or baking tin, add bits of butter and the rest of the cheese.
8. 8
   Bake at 425F for 30 minutes.