Think of the chicken as a block of ice with meat inside. Heat travels from boiling water into the chicken. But frozen water is a terrible conductor of heat.
How To Boil Frozen Chicken - Recipes.net
So you’re basically asking the boiling water to wrestle a glacier. The water wins the surface, but the glacier laughs at the core.
That’s why the outside turns into a tough, stringy mess while the inside stays raw and dangerous. It’s a texture nightmare.
Okay, But What If I’m Desperate?
Look, I’ve been there. It’s 7 PM, you forgot to thaw the chicken, and you’re about to order pizza for the third night in a row. I get it.
If you must do the frozen chicken in boiling water trick, at least slice it up first. Cut that frozen block into smaller chunks. It’s like breaking an ice cube into chips—it thaws and cooks way faster.
Or better yet, use a poaching method. Bring the water to a boil, drop the frozen chicken in, then immediately turn the heat to low. Let it gently simmer for twice as long as a thawed breast. It’s slower, but it won’t hate you.
Pro tip: add a bay leaf and some salt to the water. It won’t save the texture entirely, but it’ll keep your chicken from tasting like a wet sock.