In a bowl, add the carrots, oregano, potatoes , juice of orange and olive oil.
Season with sea salt and freshly ground black pepper.
Toss ingredients well together. Place in the air fryer basket for 10 -12 minutes, tossing gently every few minutes until vegetables are cooked through.
Then add the cooked beetroot, spinach and melted butter. Cook for a further 1 minute.
Remove from basket. Gently toss.
Place on a serving plate. Put the salmon fillet when cooked on top.