sprig fresh basil, plus extra to garnish
1 fennel bulb, finely sliced
1 lemon, juice only
1 round lettuce, leaves separated
4 new potatoes
1 corn on the cob
sprig fresh thyme
2 ripe plum tomatoes, peeled, seeds removed, sliced
salt and freshly ground black pepper
1 tbsp vegetable oil
1 tbsp extra virgin olive oil
200ml/7fl oz chicken stock
1 tbsp tomato pur茅e
200g/7oz unsalted butter
10 Strangford prawns (or other large prawns), heads and shells removed and reserved, de-veined