Haddock with Salt & Vinegar Mash - Sarson's

Ingredients

• 2 haddock fillets, skin on, each weighing approx. 180g
• 1 dash of oil
• Salt
• 6 baby cucumbers, cut into thick strips
• 200ml of malt pickling vinegar
• 1 tbsp of sugar
• 1/2 tsp salt, plus extra to salt the cucumbers
• 100ml of water
• 3 dill stalks
• 100g of plain flour, plus a little extra for dusting
• 1 tsp baking powder
• 150ml of brown ale
• 3 egg yolks
• 1 tsp Dijon mustard
• 200ml of walnut oil
• Lemon juice, to taste
• Salt, to taste
• 50g of walnuts, toasted and chopped
• Chopped parsley, (optional)
• 2 large floury potatoes, peeled and chopped
• 50 butter
• 30ml of whole milk
• Malt vinegar, to taste
• Table salt, to taste
• 150g of peas