2 (8 oz.) pkg. Cool Whip
3 (8 oz.) pkg. any fruit yogurt
1 baked pie shell

Using large mixing bowl, whip Cool Whip for 2 to 3 minutes, fold in fruit yogurt and beat for 2 to 3 minutes more. Spoon into pie shell and freeze until hardened. Remove from freezer 10 minutes to soften before serving.