-
Preheat the oven to 200°C/400°F/Gas mark 6.
-
Melt
the butter in a frying pan and sauté the leek and
garlic, stirring frequently,
for 2 minutes. Add
the remaining vegetables and cook for 3 to 4
minutes.
-
Add the flour and fry for 1 minute.
Remove the pan from the heat and stir in the
vegetable stock, milk and white wine. Return the pan
to the heat and bring to the boil, stirring, until
thickened. Stir in the oregano and season with salt
and pepper to taste.
-
Roll out half of
the pastry on a lightly floured surface to form
a rectangle measuring 38 x 15cm/15 x 6in. Roll
out the other half of the pastry to the same
shape, but a little larger all round. Put the
smaller rectangle on a baking tray lined with
dampened baking parchment.
-
Spoon the filling evenly on top of the smaller
rectangle, leaving a 1cm/1/2in margin around the
edges.
-
Using a sharp knife, cut parallel diagonal
slits across the larger rectangle to within 2cm/1in
on each of the long edges.
-
Brush the edges of
the smaller rectangle with beaten egg and place the
larger rectangle on top, pressing the edges.
-
Brush
the whole jalousie with egg to glaze and bake in the
oven for about 30 to 35 minutes, until risen and
golden. Serve immediately.