2 cans Eagle Brand sweetened condensed milk
1 precooked pie shell
1 tub Cool Whip
chopped pecans

Place both cans of Eagle Brand milk in saucepan; completely cover with water. Boil 3 hours, replacing water when needed. Keep both cans completely covered with boiling water at all times. After 3 hours boiling, cool cans completely. Open and pour into precooked pie shell. Top with Cool Whip and chopped pecans.