Email to Nancy Spraker Pie, Frozen Yogurt List of Ingredients 2 containers (8 oz each) fruit yogurt 1 (9 0z) container Cool Whip 1 (6 oz) Graham cracker pie crust Instructions Fold yogurt into whipped topping, blending well. Spoon into crust. Freeze until firm (4 hours or overnight) Move to refrigerator 30 minutes before cutting.