2 handfuls of baby spinach
1 tsp chopped fresh thyme leaves
2 tsp English mustard powder
125驳/4陆辞锄 plain flour
vegetable oil, for deep frying
50驳/1戮辞锄 butter, cubed
100ml/3陆fl oz double cream
2 free-range eggs
100ml/3陆fl oz milk
250g/9oz Parmesan, 150g/5陆oz grated and 100g/3陆oz cubed
200g/7oz roquefort