Sweet Potato Pie - cooking recipe

Ingredients

2 c. cooked, mashed sweet potatoes (I used baked potatoes)
1/2 c. butter, softened
2 egg yolks
1 c. brown sugar
1/4 tsp. salt
1/2 tsp. cinnamon
1/2 tsp. nutmeg
1/2 tsp. ginger
1/2 c. milk
2 egg whites
1/4 c. sugar
1 (9-inch) pie shell (unbaked)

Preparation

Mix first 8 ingredients together while potatoes are warm.
Add milk.
Beat egg whites until stiff, adding gradually 1/4 cup sugar.
Fold into mixture and pour into unbaked pie shell.
Bake at 400\u00b0 for 10 minutes.
Lower temperature to 350\u00b0 and bake until set.
Serves 6 to 8.