1/3 cup butter or margarine, melted
3 tablespoons sugar
1 can (14 oz) sweetened condensed milk
1/2 cup Key lime juice
1 container (8 oz) frozen whipped topping, thawed
1. Heat oven to 350°F. In small bowl, mix graham cracker crumbs, butter and sugar. Press in bottom and up side of 9-inch glass pie plate. Bake 8 to 10 minutes or until golden brown; cool.
2. In large bowl, beat milk and lime juice with electric mixer on medium speed until smooth and thickened. Fold in whipped topping. Spoon into cooled pie crust. 3. Cover and refrigerate about 1 hour or until set. Store in refrigerator.