250g/9oz green beans (or thin-stemmed broccoli), trimmed
500g/1lb 2oz small new potatoes, larger ones halved
1 long or 2 round shallots, finely chopped
250g/9oz sugar snap peas (or mangetout)
3 tbsp wholegrain mustard
3 tbsp runny honey
2 tbsp white wine vinegar
4 salmon fillets, approx. 150g/5陆oz each, scaled