1Heat oven to 350°F. Spray bottom and sides of 13x9-inch pan with cooking spray.
2Place cookie mix in large bowl. With pastry blender or fork, cut in butter until mixture is crumbly and coarse. Lightly press crumbs in bottom of pan. Bake 10 to 12 minutes or until golden brown. Cool.
3In large bowl, beat condensed milk and lime juice with electric mixer on medium speed until smooth and thickened. Remove 1 cup of the whipped topping; set aside. Fold remaining whipped topping, yogurt and food color into milk mixture. Spoon into cooled crust. Cover and refrigerate about 1 hour or until set.
4To serve, cut into 5 rows by 4 rows. Garnish each serving with a dollop of remaining whipped topping, lime peel and fresh berries. Cover and refrigerate any remaining dessert.