For the fish:
3 tablespoons olive oil
2 lemons
600 g Perch fillet2 spring onions, finely chopped
Lemon pieces for serving (optional)
For the pea puree:
200 mL water
500 g frozen peas
2 teaspoon finely chopped onion
1 tablespoon olive oil
1 teaspoon lemon juice
Salt
Pepper