(*) For 1 large casserole dish or 4 small gratin dishes Grease the casserole dish with softened butter. Layer sauerkraut, potatoes, vegetables and meat in the dish.
Preheat the stove to 220 degrees.
Glaze: Melt the butter in a frying pan. Add flour and cook until soft, stirring. Pour in milk all at once and bring to a boil, stirring throughout. Simmer at a low temperature for about five minutes. Stirring occasionally, add the Gorgonzola. Season the glaze with salt and freshly ground pepper to taste.
Pour over the gratin form and sprinkle with pumpkin seeds. Bake in the middle of the heated oven for twenty to thirty minutes.
Tip: Always use an aromatic ham, it will give your dish a wonderful touch!