Sweet Potato Pie - cooking recipe

Ingredients

4 lb. sweet potatoes or yams
2 sticks butter
1 c. granulated sugar (1 1/4 c. if you like it sweeter)
1 tsp. flour or cornstarch
1/2 tsp. pumpkin pie spice
1/4 tsp. salt
1/4 c. milk
3 eggs
1/2 tsp. lemon extract
1 Tbsp. vanilla butternut extract
4 (9-inch) unbaked pie crusts

Preparation

Boil potatoes until tender; peel and mash.
Add butter, sugar, flour, spice and salt.
Beat until creamy.
When cool, beat in milk, eggs and extracts.