Clean, peel, cut into large cubes and wash the kohlrabi. Cook the kohlrabi in boiling salted water for about 15 minutes. Add peas to the kohlrabi 5 minutes before the end of the cooking time. Cut meat into strips. Heat oil in a pan.
Fry the meat in it in portions for 5-6 minutes and take it out. Season with salt and pepper. Drain the kohlrabi, collect the vegetable water and measure 1/2 litre. Melt the fat in a pot. Sauté flour in it and deglaze with the vegetable water and milk while stirring. Season to taste with salt, pepper and nutmeg. Add meat and kohlrabi to the sauce. Season again. Arrange the kohlrabi ragout on plates.
Season to taste with salt, pepper and nutmeg. Add meat and kohlrabi to the sauce. Season again. Arrange the kohlrabi ragout on plates. Serve garnished with chervil. Boiled potatoes taste good with it