Blueberry Pie - cooking recipe

Ingredients

1 qt. fresh blueberries
pastry for 2-crust pie (9-inch)
1 tsp. vinegar
1 c. sugar
2 Tbsp. flour
nutmeg (pinch)
2 Tbsp. margarine

Preparation

Wash and pick over blueberries.
Line 9-inch pie pan, using half the pastry.
Roll out remaining pastry for the top crust.