Jane's Blueberry Pie

1 quart blueberries

2 tablespoons flour

1 tablespoon butter

Dash salt

1 tablespoon lemon juice

¹/2 cup granulated sugar

¹/2 cup brown sugar

1 baked pie shell

Sweetened whipped cream or ice cream if desired
Mix half the blueberries, flour, butter, salt and lemon juice together in a heavy saucepan. Add the sugars. Cook over low temperature, stirring constantly. (Do not add additional liquid.) When mixture has thickened (in about 5 minutes), remove from the heat and cool. Add remaining blueberries. Fill the pie shell and chill.

When ready to serve, top with the whipped cream or ice cream.