Make a dough from quark, milk, oil, flour, baking powder and a pinch of salt and roll it out.
Thaw the spinach and squeeze it out well.
Mix the crème fraîche with the cream, season very vigorously with pepper, salt and nutmeg. Spread the mixture on the pizza dough. Pour the spinach on top and season if necessary. Sprinkle with some grated cheese. Put in the oven for 10 minutes.
Now place the eggs on the pizza like fried eggs and finish baking in 10-15 minutes.