A classic beef Stroganoff braise, the long cooking time in this recipe softens economical round steak to a juicy texture as it cooks down in beefy mushroom sauce with velvety sour cream.

If you are someone who just can't let food go to waste, which is understandable, you can try and make some use of your old steak. First, only defrost it in the fridge, because while it shouldn't ...