Pour approx. 1/2 l water into a wide pot or roasting pan. Wash the parsley. Wash lemon and cut into slices. Add lemon, 2 stems of parsley and some salt to the water, bring to the boil
Peel and wash the potatoes, halve them if necessary and fill them into the steamer tray. Place in the pot, cover and steam for about 30 minutes
Wash the asparagus and cut the ends off generously. Add the asparagus to the potatoes about 15 minutes before the end of the cooking time and steam everything to the end. Peel and finely dice the onion. Finely chop the remaining parsley
Finely mash the potatoes with a fork. Mix 1/8 l brew with vinegar, 1 pinch of salt, pepper and honey. Fold in the oil. Stir in onion, potatoes and chopped parsley. Arrange lukewarm asparagus with the dressing. Serve with air-dried ham and/or baguette