1 Keebler ready-crust butter flavored pie crust
1 (8 oz.) container blueberry yogurt
1 (8 oz.) frozen whipped topping, thawed
1 (10 oz.) pkg. frozen blueberries, thawed
Reserve 18 blueberries for garnish

In medium bowl fold blueberry yogurt into whipped topping. Process thawed blueberries into chunky pieces. Fold blueberries into yogurt mixture. Pour into crust. Freeze 3 hours. Remove from freezer 15 minutes before serving. Garnish with blueberries.