400g/14oz small Jersey royal potatoes
2 tbsp fresh chives
1 garlic clove, chopped
1 tbsp chopped fresh mint
8 baby (pearl) onions, quartered
2 tbsp fresh flatleaf parsley
2 tbsp fresh tarragon
150ml/5fl oz chicken stock
1 bay leaf
75g/2陆oz fresh breadcrumbs
salt
50驳/1戮辞锄 butter
25g/1oz salted butter
10g unsalted butter
60g/2录oz smoked pancetta, small slices
1 x four-bone rack of lamb, French trimmed
200g/7oz fresh peas
100ml/3陆fl oz white wine