Peel and wash the potatoes and kohlrabi. Boil potatoes in 1/8 l salted water for about 15 minutes. Cut the kohlrabi into small pieces. Cook with the potatoes for another 5 minutes
Deseed tomato, dice. Cut meat into strips. Fry in hot oil for 3-4 minutes, season. Fry tomato briefly. Add kohlrabi and potatoes together with stock and cream, season. Arrange everything, sprinkle with chives