1 white fish fillet (100g)
1 small long green shallot/scallion, sliced (white and green parts separated)
1 pinch each of sea salt and cracked black pepper
1 tablespoon of organic butter
1 tablespoon of unsweetened coconut yoghurt
1 small garlic clove, crushed
1 teaspoon of Dijon mustard
2 teaspoons of fresh lemon juice
1/4 teaspoon of fresh lemon zest
1/2 teaspoon of finely chopped parsley
extra sea salt & cracked pepper to taste