Wash the potatoes and boil in water for about 20 minutes
Wash the asparagus and cut the ends off generously. Cut the asparagus into bite-sized pieces. Cover and steam in little boiling salted water for 8-10 minutes
Drain the potatoes, rinse and peel them. Let the potatoes cool down. Drain the asparagus, catch the stock
Peel garlic and onion. Crush garlic finely, dice onion. Mix mayonnaise, crème fraîche, 6-8 tablespoons asparagus stock, onion and garlic. Season to taste with salt, pepper and lemon juice
Rinse the crabs briefly and pat dry. Cut the potatoes into slices. Mix potatoes, asparagus and salad dressing. Carefully fold in the prawns. Cover and let stand for about 30 minutes. Season salad again and garnish if necessary.
Drink: white wine spritzer