Roll out the puff pastry, cut into pieces in the desired quantity and size and place on a baking sheet lined with baking paper.
Mix the crème fraîche with the tomato paste, salt, pepper and paprika and spread on the dough slices. Top with onion rings, salami and tomato slices and mozzarella. Sprinkle with pepper and drizzle with oil.
Sprinkle with basil or oregano and bake in the preheated oven at 200 - 225 ° C top / bottom heat for about 10 minutes.