5 new potatoes, cooked and thinly sliced (about 3–5mm)
small handful soft herbs – such as parsley, dill, thyme or chives, roughly chopped
ΒΌ red onion, cut into thin wedges
90²µ/3ΒΌ΄Η³ϊ plain flour, plus extra for dusting
salt and freshly ground black pepper
30g/1oz walnuts, roughly chopped
50²µ/1ΒΎ΄Η³ϊ Stilton
55g/2oz cold salted butter, diced
2 tbsp cream, any type
1 free-range egg, beaten
40g/1Β½ oz plain natural yoghurt