Clean and wash the savoy cabbage and cut it into strips from the stalk. Peel and finely chop the onions. Heat oil in a frying pan. Fry the ground pork vigorously. Fry the onions briefly. Season with salt and pepper and take out.
Sauté the savoy cabbage in hot frying fat for about 5 minutes.
Grease an ovenproof dish (approx. 25 x 30 cm; approx. 5 cm deep). Knead the dumpling dough and eggs and spread evenly as a base. In a preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: see
manufacturer) for about 15 minutes.
Mett to the savoy cabbage. Dust with flour and sauté briefly. Add milk and cream. Bring to the boil, stir in processed cheese and simmer for about 2 minutes. Season to taste with salt, pepper and nutmeg.
Spread the savoy cabbage-milk mixture on the bottom of the dumpling. Grate the Gouda and sprinkle over it. Bake at the same temperature for about 25 minutes.