2 c. mashed potatoes
3 tbsp. butter
1 c. sugar
1 c. milk
2 eggs, beaten
1 tsp. vanilla
1/2 tsp. lemon extract

To potatoes add butter, sugar, eggs, vanilla, milk, lemon. Enough for one large pie. Pour into pie shell and bake at 350 degrees until knife inserted comes out clean. About 1 hour.