Coronation quiche

For the pastry:

125g plain flour

Pinch of salt

25g cold butter, diced

25g lard

2tbsp milk

Or 1 x 250g block of ready-made shortcrust pastry

For the filling:

125ml milk

175ml double cream

2 medium eggs

1tbsp chopped fresh tarragon

Salt and pepper

100g grated cheddar cheese,

180g cooked spinach, lightly chopped

60g cooked broad beans or soya beans