Sift the flour, salt and rub in the margarine.
Bind with water.
Cook carrots and potatoes until medium soft and then mix gently together in bowl with a little margarine, salt, pepper and herbs.
Mix in the onions or leeks.
Divide the pastry into 4 pieces and roll out each one into a round.
Put mixture into centre of each round.
Wet the edges of pastry with water.
Pull over one side to the other and press down edges.
Prick top of pastry.
Brush with a little milk.
Bake in hot oven (220 C) for 25-30 mins until crisp and brown.
Serve hot or cold.
