Sunshine Cake

4 eggs, separated1 cup sugar1/2 tsp. salt1/2 cup passion fruit juice1/2 cup cream, whipped1 tbsp. unflavored gelatin1/4 cup cold water1 tsp. grated lemon rind1 baked pie shell Use fresh yellow passion fruit juice. Beat egg yolks until thick. Add 1/2 cup of the sugar, salt and passion fruit juice. Cook over low heat until thick,…