Pear Cranberry Pie

1 prepared piecrust fitted to 9-inch pie plate.
2 1/2 cups peeled, quartered, cored pears, sliced crosswise
2 cups fresh or thawed frozen cranberries
1 tablespoon lemon juice
2/3 cup sugar
1 1/2 tablespoons cornstarch
1 tablespoon milk
1 teaspoon sugar

Mix the pears, cranberries, and lemon juice in a large bowl. Add the sugar and cornstarch and stir them into the fruit. Pour the filling into the pie shell.

Invert the top pastry over the filling and press the edges together. Trim the pastry flush with the edge of the pan and crimp with a fork. Poke several steam vents in the top. Lightly brush on the milk and sprinkle the sugar.
Bake for 30 minutes. Reduce the oven temperature to 375 F. Bake until the juices bubble thickly, 25 to 30 minutes more. Cool 2 hours.