For the roulade peel the onions. Chop 2 onions finely, remaining onions roughly. Finely dice the cucumbers. Mix mustard, gherkins, fine diced onions and 2 tbsp. breadcrumbs. Season meat with salt and pepper.
Spread the filling over the meat (see picture on the right). Place 8 slices of bacon on the filling. Roll up the meat from the longer side for roll roasting, tie into shape with kitchen twine.
Heat 2 tablespoons of oil in a frying pan. Fry the roulade in it for about 8 minutes. Fry diced onion with the roulade. Sauté tomato paste in it. Add wine, stock and 300 ml water. Add bay leaf and juniper, bring to the boil.
Cover and stew for about 2 1⁄2 hours.
For the creamed savoy cabbage, clean the savoy cabbage, quarter it and remove the stalk. Wash the cabbage and cut into strips. Heat 1 tablespoon of oil in a wide saucepan. Sauté the cabbage for about 5 minutes.
Season with salt, pepper and nutmeg. Add cream and 200 ml water, bring to the boil. Cover and stew for about 20 minutes.
For the potato dumplings knead dumpling dough and eggs. Use two tablespoons to cut off about 30 dumplings. Turn in 7-8 tablespoons of breadcrumbs and fry in portions in hot clarified butter until golden brown.
Fry the rest of the bacon in a pan without fat until crispy. Remove the roulade and keep warm. Pour the roast stock through a sieve into a pot, bring to the boil. Stir starch and 3 tbsp. cold water until smooth. Bind the stock with it.
Season the sauce with salt, pepper and 1 pinch of sugar. Cut the roulade into slices. Arrange everything. Crumble the bacon and sprinkle over it.