Cube steak is usually cut from a tougher part of the cow, like the round or the chuck. Those muscles work hard, so they have a lot of connective tissue.
When you cook it too fast at high heat, that tissue tightens up like a clenched fist. The result? A rubbery, disappointing dinner that makes you wonder why you bothered.
You should care because tender meat isn’t just about dinner. It’s about the joy of a meal where every bite feels like a reward. It’s about not needing a steak knife sharp enough to cut leather. And honestly? It’s about not wasting your grocery money on something you have to chew for ten minutes.