Defrost the puff pastry sheets. Finely grate the cheeses. Wash, dry and finely chop the dill. Preheat the oven to 180 ° C.
Rub the baking pan first with a halved clove of garlic, then with butter. Mix the grated cheese with the goat cheese, sour cream or crème fraîche, cream, dill and the eggs, season with pepper and nutmeg.
Roll out the puff pastry a little and lay it out on the bottom of the pan. Pour the cheese mixture onto the dough. Bake for about 30 minutes, until the surface is lightly brown.