Elderberry Pie - cooking recipe

Ingredients

pastry for two 9-inch pie crusts
2 1/4 c. berries
3 Tbsp. flour or tapioca
1/4 c. water
1 1/4 c. sugar
2 Tbsp. vinegar
2 Tbsp. butter

Preparation

Put berries in bowl; add sugar mixed with flour or tapioca. Let stand until they draw liquid.
Add vinegar.
If they don't draw any juice, add 1/4 cup water.
If the berries have been frozen, they will be juicy.
Pour in pie shell, cut up butter and place over berries, then put on top crust.
Bake 1 hour at 375\u00b0 or until done.