Frozen Citrus Pie
["1 (6 oz.) can lemonade frozen concentrate", "1 pt. vanilla ice cream, softened", "3 1/2 c. Cool Whip", "1 graham cracker crust"]
["Place concentrate in large mixing bowl and beat 30 seconds. Gradually spoon in ice cream and blend.", "Fold in whipped topping, whipping until smooth.", "Freeze, if necessary, until mixture will mound.", "Spoon into crust.", "Freeze until firm, at least 4 hours. Store leftover in freezer."]
["concentrate", "vanilla ice cream", "graham cracker crust"]