2 tbsp chives, finely sliced
Β½ onion, cut into quarters
1 tbsp fresh tarragon leaves
3 sprigs fresh thyme
plain flour, for rolling
25g/1oz plain flour
freshly ground black pepper
sea salt flakes
25g/1oz butter
5 tbsp crème fraîche
300ml/10fl oz whole milk
500g/1lb 2oz ready-made puff pastry
2 boneless chicken breasts, roasted, skin removed, cut into small pieces
100g/3Β½oz cooked, peeled prawns
225g/8oz un-dyed smoked haddock fillet
1 tbsp white wine