1 lemon, zest only (optional)
squeeze lemon juice (optional)
1 shallot, finely diced
450–500g/1–1lb 2oz bag baby leaf spinach, thoroughly washed
finely chopped tarragon (optional)
4-5 tbsp hollandaise sauce
1 bay leaf
salt and freshly ground black pepper
1 blade mace
few peppercorns
pinch salt
pinch sugar (optional)
50ml/2fl oz white wine vinegar
250g/9oz butter, diced
1 free-range egg, lightly beaten
3 free-range egg yolks
375–500g/13oz–1lb 2 oz pre-rolled puff pastry
500g/1lb 2oz salmon fillet