3 egg whites
1/3 c. sugar
1/2 c. water
1 tbsp. cornstarch

Put sugar, water, and cornstarch in saucepan. Bring to a boil, cook until thick. Let cool. Beat egg whites to a peak, and add to mixture. Spread on cooled pie filling around edge first, touching edge crust all around, then fill in center. Bake at 350 degrees for 15 to 20 minutes or until lightly brown.