FOR THE HOT WATER PASTRY
1½ lb -
plain flour (all purpose flour)
9 oz -
butter
10 fl oz -
whole milk
1 -
egg (for glaze)
FOR THE FILLING
2 oz -
butter
2 large -
onions
1¾ lb -
Cheddar cheese
2 large -
eggs
5 tablespoons -
double cream (heavy cream)
-
sea salt and freshly-ground pepper