Soak 2 slices of toast. Peel and finely chop the onions. Knead minced pork, 1/3 onions, egg and squeezed toast. Form approx. 8 meatballs from it. Fry in 1 tablespoon of hot oil for 5-6 minutes on each side
Clean, wash and cut the savoy cabbage into strips. Peel, wash and roughly grate the carrots. Heat 1 tablespoon of oil in a pot. Fry the rest of the onions until translucent. Add cabbage and carrots and stew for about 5 minutes. Season with salt and pepper. Deglaze with 1/4 l water, bring to the boil. Cover and stew for about 15 minutes.
Heat 3 tablespoons of butter in a saucepan. Sauté the flour in it. Stir in milk and 1/4 l water. Bring to the boil and simmer for about 5 minutes. Season sauce with salt, pepper and nutmeg
Finely crumble 2 slices of toast. Season the vegetables to taste and fill into a greased casserole dish (approx. 30 cm long). Spread the meatballs and sauce on top. Sprinkle toast crumbs over it. Spread 1 tablespoon butter in flakes on top. Bake in the preheated oven (electric cooker: 200 °C/recirculating air: 175 °C/gas: level 3) for 30-40 minutes until golden brown