Wash the beef, then put it in a saucepan with the vegetables and spices, pour in the water (the meat should be covered) and bring to the boil. Reduce heat. Cook with the lid closed in boiling water for about 1.5 hours.
Remove the meat from the broth and when it has cooled down a little, cut it into small cubes. Pour off the broth through a sieve (remove vegetables) and let cool down completely. Skim off the fat.
(Tip: I do all of this the day before and let the broth cool down overnight.)
Melt the butter in a saucepan, add the flour and sweat. Gradually add the stock and milk (stir well so that there are no lumps!). Stir in the creme fraiche. Add the chopped dill. Season to taste with salt, pepper and nutmeg.