Melt the butter and let it cool down. Mix flour, eggs, milk and 1 pinch of salt until smooth. Stir in liquid butter. Leave to swell for about 20 minutes.
Cut the sausage into slices. Clean, wash and chop the peppers. Peel and chop onions. Oregano wash, pluck
Heat 1 tablespoon of oil. Fry the onions in it until transparent. Fry sausage and bell pepper for about 2 minutes. Add tomato paste, chunky tomatoes and 3/4 oregano. Season with salt, pepper and sweet paprika. Bring to the boil, simmer for about 5 minutes. Cut cheese into slices
Heat 1-2 tablespoons of oil in portions in a frying pan (approx. 24 cm Ø). Bake 4-5 pancakes, one after the other, from the dough until golden brown
Place the pancakes one by one in a greased casserole dish, filling each one with the paprika vegetables and folding them over. Cover with mozzarella slices. Cook in the preheated oven (electric range: 225 °C/recirculating air: 200 °C/gas: level 4) for 10-15 minutes until golden brown. Sprinkle with remaining oregano