Preheat oven to 400 degrees. Line a 9 inch pie pan with one of the crusts. Set aside.
In a saucepan, combine all ingredients except walnuts. Cook, stirring constantly, over medium heat until thick. Add walnuts and stir.
Pour into pastry lined pan. Moisten edges or crust. Place second crust on top. Flute edge. Brush top with milk, sprinkle with sugar.
Bake in preheated oven about 40 minutes. Cool on wire rack. Makes 6-8 servings. Enjoy!