Peel the asparagus spears and cut into pieces. Boil the asparagus peel in the water for 20 min, then pour through a sieve. Cook the white asparagus in the asparagus water with salt, sugar and butter for 10 minutes. After 5 minutes add the green asparagus. Drain and collect the clear soup. Melt crab butter in saucepan, sweat flour in it. Deglaze with asparagus broth, add whipping cream and cook on low heat for 15 minutes. Marinate thawed shrimps with Tabasco and cognac. Heat asparagus spears and marinated shrimp in soup. Season with pepper, salt, sugar and cognac. Serve sprinkled with dill.
Preparation time: about 20 min.
Cooking time: about 30 min. in total