When hard-boiled eggs are overcooked, the yolks develop a green tinge around the yolk, which in turn will give your egg salad a green tint.
Overcooked asparagus is stringy and tough.
This is because pieces that are the same size cook at the same rate so you don't end up with some pieces that are overcooked and some that are undercooked.
It also works well with delicate fish and seafood, ensuring it is not overcooked.
To keep the white meat from becoming overcooked while the dark meat finishes cooking, you need to take a piece of foil and place it over the turkey breast.
