Creamy Lemon Pie...

3 egg yolks
1 14oz. can sweetened condensed milk
1/2 cup lemon juice
1 prepared graham cracker pie crust
Whipped topping

Preheat oven to 325 degrees. Beat egg yolks in medium bowl with rotary beater or fork; gradually beat in milk and lemon juice. Pour into crust. Bake 30 to 35 minutes or until set. Remove from oven. Cool one hour. Chill at least 3 hours. Before serving, spread whipped topping over pie. Store leftovers covered in refrigerator.