Preparation Mix sour cream, onion, capers, chopped parsley and pepper in medium bowl. Season to taste with salt. (Sauce can be made 1 day ahead. Cover and refrigerate.) Place salmon on platter. Arrange bread slices around salmon. Garnish with parsley sprigs and serve with sauce.
Preparation Mix sour cream, onion, capers, chopped parsley and pepper in medium bowl. Season to taste with salt. (Sauce can be made 1 day ahead. Cover and refrigerate.) Place salmon on platter. Arrange bread slices around salmon. Garnish with parsley sprigs and serve with sauce.