Defrost the peas. In the meantime wash the cucumber and cut it into fine slices. Clean, wash and cut lettuce hearts into strips. Wash rocket, cut roughly. Wash salmon, dab dry, cut into small cubes.
Heat the oil. Fry the salmon cubes for about 3 minutes, turning them over. Season with salt and pepper. Mix mustard cream, crème légère and lime juice. Mix prepared salad ingredients and cream. Carefully fold in salmon and serve in portions.