1 small ripe avocado
2½ tsp lime juice
2 spring onions, trimmed
100²µ/3½´Ç³ú watercress
1 tsp black peppercorns
3 tbsp pumpkin seeds
1 tbsp cold-pressed rapeseed oil or extra-virgin olive oil
2 tsp sea salt flakes
1 tsp sea salt flakes, or to taste
1 tsp organic cloudy apple cider vinegar
2 wild Alaskan salmon fillets (approximately 250g/9oz total)