1 qt. vanilla ice cream
1 (6 oz.) can frozen lemonade concentrate, thawed
9" baked pie shell
Lemon slices for garnish

Combine ice cream and lemonade in blender or food processor until smooth. Pour into pie shell. Freeze at least 1 1/2 hours. Let stand 10 minutes before serving. Garnish with lemon twists and dollops of whipped cream.