BBC Food - Recipes - Crabcakes with a tomato, crab and basil dressing

Ingredients

• 1 cooked brown crab , weighing about 1.25kg/2½lb
• 300ml/10fl oz olive oil
• 1 large carrot , chopped
• 1 leek , chopped
• 1 medium onion , chopped
• 900g/2lb potatoes
• flour , for dusting
• 2 eggs , beaten
• 100g/4oz breadcrumbs
• 2 tomatoes, skinned, seeded and chopped
• 10 fresh basil leaves, 6 thinly sliced and 4 left whole
• juice of ¼ lemon
• salt and freshly ground black pepper