Peel and wash the potatoes and cook them in salted water for about 20 minutes. In the meantime peel and wash the asparagus and cut off the woody ends. Bring plenty of salt water to the boil. Season with 1 slice of lemon and sugar.
Cook the asparagus for 15-20 minutes. For the sauce, peel and finely chop the shallots. Fry in 1 tablespoon of melted butter. Deglaze with white wine, cook over high heat for 2 minutes. 125 g butter
Season with salt, pepper and lemon peel. Wrap 3-4 sticks of asparagus in Parma ham. Wash and chop the parsley. Melt 2 tablespoons of butter. Toss potatoes and parsley in it.
Serve everything garnished with fresh herbs and lemon.