Peel and wash the potatoes and cook in boiling salted water for 15-20 minutes. Peel, wash and cut the kohlrabi into sticks. Cook in boiling broth for about 5 minutes until al dente. Drain and let drain well. Pluck sage leaves from the stalks, rinse and dab dry. Wrap a slice of ham around a few kohlrabi sticks and 1-2 sage leaves and fry briefly in 40 g hot fat all around.
Fry the remaining sage leaves briefly. Wash parsley, dab dry and chop. Drain the potatoes. Melt remaining fat. Add parsley and potatoes and toss. Add the potatoes to the kohlrabi packets