Sweet Potato Pie - cooking recipe

Ingredients

4 c. mashed, cooked sweet potatoes
2 c. firmly packed brown sugar
1 stick margarine, softened
4 eggs, separated
1 tsp. ground ginger
1 tsp. ground cinnamon
1 tsp. ground nutmeg
1/4 tsp. salt
1 can evaporated milk
1 can sweetened condensed milk
2 c. coconut
2 tsp. lemon flavoring
1/4 c. white sugar
4 uncooked pie shells

Preparation

Beat egg yolks. Add sweet potatoes, brown sugar, margarine, spices, salt and sweetened condensed milk in a large mixing bowl; beat until fluffy.
Add evaporated milk and lemon flavoring; beat just until blended. Stir in coconut. Beat egg whites with electric mixer until foamy; gradually add white sugar, one tablespoon at a time, beating until stiff peaks form.