For the sauce, clean and wash the spring onions and cut the lower white part into fine rings. Peel garlic and chop finely. Heat the oil in a pot and sauté the spring onions and garlic. Add tomato puree, sweat it, deglaze with tomatoes. Add oregano, bring to the boil, season with salt, pepper and paprika and let simmer for 5-7 minutes at low to medium heat. Stir several times
In the meantime cut the spring onion green into fine rings. Place the tortilla on a baking tray, staggered side by side. Spread tomato sauce evenly on top and cover with salami and olives. Sprinkle with cheese. Bake in the preheated oven (electric cooker: 225 °C/ convection oven: 200 °C/ gas: see manufacturer) for 12-15 minutes on the middle shelf
Remove from the oven, arrange on plates, sprinkled with green onions and fresh oregano as desired