Peel and roughly dice the carrot and celery. Peel onions and dice 2 roughly. Cut 2 onions into slices. Dab meat dry and season with salt and pepper. Spread 1 teaspoon of mustard on each slice of meat and cover with smoked pork loin. Cut cucumbers lengthwise into six pieces. Place cucumber and onion wedges at one end of each roulade and roll up the slices as tightly as possible. Pin them with a wooden skewer or a roulade needle
Heat the lard in a roaster. Fry the roulades vigorously for about 10 minutes. Remove the roulades. Fry the carrot, celery and onion cubes in the frying fat for approx. 5 minutes. After about 3 minutes add tomato paste and fry. Deglaze with red wine. Pour in broth, bring to the boil. Put the roulades back into the roaster, cover and stew for 1 1/2-2 hours
Heat butter in a frying pan. Roast the nuts for about 1 minute, then add the spaetzle. Fry the spaetzle for 3-4 minutes and season with salt and nutmeg. Wash the parsley, shake dry and cut the leaves into strips
Remove the roulades from the stock, remove wooden skewers or needles. Keep the roulades warm. Stir starch and 4 tablespoons of water until smooth. Thicken sauce with it, bring to the boil again. Add half of the parsley and season the sauce again. Add the roulades to the sauce. Arrange roulades and spaetzle on plates and sprinkle with the remaining parsley
With 6 people: