Peel and wash the potatoes. Depending on the size, halve or quarter them. Clean and wash spring onions and cut into rings. Clean, wash and slice the tomatoes
Heat 2 tablespoons of oil. Fry the potatoes for about 10 minutes while turning. Add spring onions and fry briefly. Season everything and take out
Heat 1 tablespoon of oil in the frying fat. Fry for about 5 minutes until crumbly. Add tomato paste, sweat briefly. Season with salt, pepper and thyme. Fold in potatoes and tomatoes. Pour everything into an ovenproof dish (approx. 30 cm long). Crumble the feta cheese over it
Mix sour cream and eggs. Season with salt and pepper. Pour over the casserole. Bake in the preheated oven (electric cooker: 200 °C / convection oven: 175 °C / gas: level 3) for 20-30 minutes. Garnish with parsley and pepperoni