Preheat oven to 425 F. Prepare crust as directed on package. Place on foil lined 12-inch pizza pan and press out any folds or creases. Brrush crust with 1/2 of the beaten egg white.
Mix sugar, cornstarch, cinnamon, ginger and allspice in medium bowl. Add fruit and amaretto extract and toss gently. Spoon mixture into center of crust, spreading to within 2 inches of edges. Fold 2-inch edge of crust up over fruit, pleating or folding crust as needed. Brush crust with remaining egg white.
Bake 20 miutes or until crust is golden brown. Cool slightly before serving. Topp with whipped cream or ice cream.