Wash and peel the asparagus and cut off the woody ends. Cook the asparagus in boiling salted water for 8-10 minutes until al dente. Wash, drain and halve the tomatoes. Sort the salad, wash and spin dry.
Drain the asparagus and let it drain well. Cut the asparagus into pieces.
Peel and finely chop the onion. Wash parsley, shake dry and pluck leaves from the stalks. Finely chop the leaves, except for something to garnish. Knead minced meat, onion, egg yolk, oat flakes, quark, 1/2 tsp. mustard and parsley.
Season with salt and pepper. Form 2 minced steaks from the mixture. Heat 1 tablespoon of oil in a small pan and fry the steaks for 8-10 minutes, turning them over.
Meanwhile wash the chives, shake them dry and cut them into fine rings. Mix vinegar, honey and 1 tsp. mustard, season with salt and pepper. Fold in 1 tablespoon of oil. Mix asparagus, tomatoes, lettuce and some vinaigrette.
Arrange salad with minced steaks on a plate. Add the rest of the vinaigrette.