For the pastry,
sift together the flour, sugar, baking powder and
salt. Add the butter and rub in until the mixture
resembles coarse bread crumbs.
Blend the egg
yolk and whipping cream, then stir into the flour
mixture.
Form the pastry
into a ball, then roll out and use to line a I
23cm/9in pie dish. Flute the edge and chill for 20
minutes.
Preheat a baking
sheet in the oven at 200'C/400"F/Gas 6. Lightly
whisk the eggs and salt. Mix in the sugar, syrup,
lemon juice and butter. Stir in the chopped nuts.
Pour into the
pastry case and arrange the pecan nut halves in
concentric circles on top.
Bake on
the baking sheet for 10 minutes. Reduce the
heat to 160'C/325"F /Gas 3 and bake for 25
minutes more.