CRUSH 2 of the wafers in sealable plastic food storage bag with rolling pin. Sprinkle wafer crumbs into 8-inch pie plate sprayed with no stick cooking spray; set aside.
MIX milk and extract in large bowl. Add pudding mix. Beat with wire whisk 2 minutes or until well blended. Gently stir in whipped topping and chocolate. Spoon into prepared pie plate. Top with remaining 2 wafers, cut into quarters.
FREEZE 6 hours or until firm. Let stand about 10 minutes at room temperature or in refrigerator to soften before serving. Store any leftover pie in freezer.
Nutrition Bonus: Indulge in the minty chocolate flavor of this refreshing frozen pie - a delicious part of your healthy eating plan.