Elanor's Sweet Potato Pie

3 1/2 c Sweet potatoes, cook/mash

1/2 c Butter, softened

2 c Sugar

4 Eggs

1/2 t Salt

1/2 t Nutmeg

13 oz Evaporated Milk

2 t Lemon extract

2 Deep dish unbaked pie shells

beating well. After each one, stir in salt, nutmeg, milk and extract. Pour into 2 deep dish unbaked, pie shells. Bake at 425 for 20 minutes. Then lower oven to 325 and bake for 30-40 minutes longer.