1 can (6 oz.) lemonade frozen concentrate
1 pt. vanilla ice cream, softened
3 1/2 c. thawed whipped topping
1 graham cracker pie crust

Place concentrate in large mixing bowl and beat about 30 seconds. Gradually spoon in ice cream and blend. Fold in whipped topping, whip until smooth. Freeze if necessary until mixture will mound. Spoon into pie crust. Freeze until firm at least 4 hours.