Spectacular Peach Pie

1 baked pie shell
4 sliced peaches
1 cup sugar
3 TBSP cornstarch
2 peaches, mashed
¼ cup lemon juice
2 TBSP butter
1 tsp vanilla or almond flavoring OR ½ tsp nutmeg

Peel and slice 4 peaches into baked pie crust. In a small pan combine sugar and cornstarch, stir well. Add mashed peaches and lemon juice and bring to a boil. When mixture thickens, remove from heat and add butter and flavoring. Pour over sliced peaches and cool until set (about 2-3 hours). Serve with whipped cream, refrigerate left over pie.