Wash and peel the asparagus and cut off the woody ends. Cook the asparagus in boiling salted water with 1 pinch of sugar for 15-20 minutes. Drain the asparagus and collect the stock. Mix about 5 tablespoons of asparagus stock, vinegar, salt, pepper, sugar and mustard. Whip the oil into the mixture. Mix the asparagus with about 2/3 of the vinaigrette. Leave to stand for approx. 1 hour
Stir eggs, milk and flour until smooth. Season with salt, pepper and nutmeg. Let the dough swell for about 30 minutes. Wash the chives and cut into small rolls. Peel and finely dice the shallots. Mix with the remaining vinaigrette
Heat the lard in a coated pan (approx. 28 cm Ø). Add the dough. Leave to set at medium heat. Pluck the dough into pieces, turn and fry until golden brown
Arrange asparagus, scrape and ham on a large plate. Pour the rest of the vinaigrette over it. Garnish with parsley