Roll pastry into two 28 cm circles on lightly floured surface. Place in two 23 cm pie plates and flute edges forming high rim. Refrigerate 30 minutes. Preheat oven to 450 degrees Mix all ingredients except egg whites in bowl. Beat egg whites in mixer bowl till stiff but not dry. Gently fold the whites into pumpkin mixture. Ladle into prepared pie shells. Bake 15 minutes; reduce heat to 375 degrees and bake 15 minutes more. Reduce heat to 350 degrees and bake 15 minutes more, until toothpick inserted 5 cm from edge of pie comes out clean. Turn off oven; leave pie in oven with door ajar 20 minutes. Serve warm or cold. Makes 2 pies, 8 servings each. This is a MUST-TRY recipe. Let me know how you like it, ok?