1 graham cracker pie crust (homemade or store bought)
2 containers fruit yogurt (strawberry, esp. good)
1 (8 oz.) Cool Whip, thawed
1 sm. pkg. frozen fruit (sliced strawberries), thawed

Combine thawed Cool Whip, fruit and yogurt in a large bowl. Pour into prepared pie shell. Smooth out to edges. Cover and freeze for 3 hours. Before serving, put in refrigerator for 1/2 to 1 hour. Slice and serve. Garnish with fresh strawberries, if available. Also try raspberry, blueberry, or other fruit flavors.