Pre-heat oven to 425 F. Prepare crust as directed on package. Place on foil-lined 12-inch pizza pan. Press out any folds or creases in the crust. Brush crust with 1/2 of the beaten egg white.
Mix sugar, cornstarch, cinnamon, genger, nutmeg in a medium bowl. Add the peaches, blueberries amd amaretto extract and toss gently. Pour mixture into the center of the crust, sopreading to within 2-inches of the edges. Fold edge of crust over fruit, pleating crust as needed. Brush crust with remaining egg ehite.
bake for 30-minutes or utnil crust is golden. coll slightly before serving. Serve with whipped cream or vanilla ice-cream.