For the leaf salad with shrimp, wash, clean and tear the lettuce into bite-sized pieces.
Defrost the peas.
For the marinade, peel and finely chop the onion.
Mix the sour cream with the mayonnaise and stir in the onion. Season with lemon juice, salt and pepper.
Mix the leaf lettuce and the peas in a salad bowl with the crabs and pour the salad dressing over them.
Your leaf salad with crabs goes well with toasted white bread.