Fresh Peach Pie

4+ Cups sliced peaches 3 tbsps cornstarch 1 cup sugar 1 tbsp butter/margarine 1 tsp vanilla Baked pie shell. Place 1 cup of fruit in blender and add cornstarch and sugar. Liquefy. Put over medium heat and cook unti thick. Add margarine and vanilla. Pour over sliced fruit and add to baked pie shell. Chill well. Serve with whipped cream or Cool Whip.