1 (14 oz.) can sweetened condensed milk
1 (6 oz.) can frozen lemonade concentrate, thawed & undiluted
1 (8 oz.) whipped topping (thawed)
2 prepared 9" graham cracker crusts
Garnish:
Lemon slices
Fresh mint

Fold sweetened condensed milk and lemonade concentrate into whipped topping. Spoon into crusts. Freeze until firm, 2 pies.