Grilled lemon sole with dumplings & lemon sauce - Good Food Middle East

Ingredients

• 4 small lemon sole, trimmed and washed, left whole with head off
• 200g samphire, to serve
• 2 large baking potatoes, about 600g (you'll need 300g cooked potato flesh)
• 1 head garlic
• 2 tsp lemon or olive oil, plus extra olive oil for frying and brushing
• 1½ tbsp grated parmesan
• 1 egg yolk
• 65g '00' pasta flour
• 2 tbsp small capers in vinegar, drained, finely chopped
• 3 tbsp chopped flat-leaf parsley
• finely grated zest, 1 tbsp juice of 1 lemon
• 200ml light olive oil
• 3 tbsp double cream
• about 75ml fish stock
• 4 handfuls baby spinach
• 1 tbsp chopped flat-leaf parsley