Puffed With Cheese

Preparation:

Preparation: Prepare a rather thick béchamel sauce with the ingredients indicated. Add the cheese to the hot béchamel, then add the egg yolks and egg whites until stiff. Season with salt and pepper. Pour the mixture into the greased mold. Place the mold, halfway up, in the preheated oven at 175 degrees to cook for 20 minutes, without opening for the first 15 minutes.