Wash the potatoes and cook in salted water for about 20 minutes. Wash asparagus and cook in lightly salted water for 18-20 minutes
Dab the fillet dry and wrap with bacon if necessary. Fry fillet in hot oil for 2-3 minutes on each side. Season and take out
Wash, seed and dice the tomato. Remove the asparagus and keep the stock. Add approx. 6 tbsp. stock and thicken. Stir in tomato paste and sour cream. Season to taste with salt and pepper
Drain the potatoes. Arrange everything. Pour sauce over the asparagus, sprinkle with tomato. Garnish with chervil and tomato rose