Preheat oven at 350

In a large enough ramiken, melt and spread the butter.

Put the cheese slice in the ramiken.

Beat the eggs, cream and salt and pour into the ramiken.

Sprinkle the parmasan cheese and toss it in the oven.

Bake for 40min or when the egg is puffed up. Put it under the broiler for about a minute or until golden brown.

Enjoy with a warm buttered croissant.