Irish fish chowder with soda bread

Name: Irish fish chowder with soda bread
Ingredients: 200g/7oz wholemeal flour; 275g/9¾oz strong white flour, plus extra for sprinkling; 1 heaped tsp bicarbonate of soda; pinch salt; 200ml/7fl oz buttermilk; 1 large free-range egg; 1 tsp honey; 1 large potato; 250g/9oz un-dyed smoked haddock fillets, skin on; 1 bay leaf; 1 shallot, halved; 650ml/22fl oz full-fat milk; 30g/1oz unsalted butter; 1 onion, chopped; 1 clove garlic, sliced; 150g/5½oz sweetcorn kernels (thawed, if frozen); handful runner beans, sliced; 6 scallops, sliced; 12 steamed clams; 200g/7oz pollock fillet, diced; 150g/5½oz raw king prawns; 1 tbsp chopped fresh flat-leaf parsley; freshly ground black pepper