1 - 9 inch pie crust
3 eggs, separated
1 c. sugar
1 c. sour cream
2 c. cooked, mashed pumpkin (16 oz. can pumpkin)
1 tsp. cinnamon
1/2 tsp. ginger
1/4 tsp. nutmeg
1/4 tsp. ground cloves
1/4 tsp. salt

At high speed on electric mixer, beat egg whites until they form soft peaks. In another bowl at low speed, beat egg yolks, pumpkin, sour cream and spices. Fold in egg whites. Pour into a 9 inch pie crust and bake at 450 degrees for 10 minutes. Lower temperature to 350 degrees and bake 1 hour and 5 minutes longer.