2 tbsp chopped chives
1 garlic clove, finely chopped
1 shallot, finely chopped
1 corn on the cob, kernels removed
50–100ml/2–3½fl oz chicken stock
25g/1oz plain flour
2 tbsp olive oil
pinch salt
splash white wine vinegar
50g/1¾oz unsalted butter
2 cod fillets (200g/7oz each), skin on and pin boned
50ml/2fl oz white wine