- 1 whole trout, scaled and gutted
- ½ bunch tarragon
- 1 lemon, sliced
- 150g/5½oz watercress leaves
- 3 tbsp chopped fresh flatleaf parsley
- 2 large spring onions, roughly chopped
- 1 garlic clove, roughly chopped
- 1 lemon, zest only
- 2 tbsp capers, rinsed and drained
- 2 tbsp dried breadcrumbs
- 3 tbsp extra virgin olive oil
- salt and pepper
- Preheat the oven to 200C/400F/Gas 6.
- Stuff the cavity of the fish with the tarragon and lemon slices. Place in the oven for 20-30 minutes (depending on the size of the fish), or until cooked through.
- Meanwhile, bring a small pan of salted water to the boil. Add the watercress leaves and cook for a minute. Drain and refresh the watercress in ice-cold water.
- Transfer the watercress to a food processor, add the remaining ingredients and process to a purée. Season, to taste, with salt and freshly ground black pepper.
- To serve, place the whole trout on a large plate and peel back the skin. Pour over the salsa verde.