Preheat oven to 350°F. Mix graham cracker crumbs, butter and ginger. Press firmly onto bottom of foil-lined 13x9-inch baking pan. Refrigerate until ready to use.
Beat cream cheese and sugar in large bowl with electric mixer on medium speed until well blended. Add milk, flour and extracts; mix well. Add eggs, 1 at a time, beating on low speed after each addition just until blended. Pour over crust.
Bake 40 to 45 minutes or until center is almost set. Cool completely on wire rack.
Refrigerate 4 hours or overnight. Lift out of pan onto cutting board. Cut into bars. Garnish as desired. Store leftover bars in refrigerator.