BBC Food - Recipes - Halibut with salsa verde, crabcakes and baby vine tomatoes

Ingredients

• 4 x 200g/7oz halibut steaks, skins removed
• salt
• freshly ground black pepper
• 50g/2oz unsalted butter
• 2 tbsp groundnut oil
• 350g/12oz potatoes, peeled, cooked in boiling water and cooled
• 200g/7oz mixed white and brown crabmeat
• 2tbsp chopped fresh flatleaf parsley
• ½ lemon , juice only
• ½ tsp anchovy essence
• 1 free-range egg , beaten
• 110g/4oz Japanese breadcrumbs (often sold as panko)
• 5 tbsp groundnut oil
• 250g/9oz baby plum tomatoes, cut in half
• 2 tbsp olive oil
• 2 tbsp balsamic vinegar
• 20g/¾oz salted capers , washed and drained
• 6 anchovy fillets in olive oil , drained
• 40g/1½oz fresh flatleaf parsley , leaves only
• 10g/½oz fresh tarragon , leaves only
• 10g/½oz fresh mint , leaves only
• 2 garlic cloves
• 1 lemon , zest and juice
• 150ml/5fl oz extra virgin olive oil