Butter: Salted or Unsalted?
We always cook with unsalted butter. Salted butter is usually less fresh than unsalted, and the salt can be used to mask inferior flavors. Also, manufacturers add different amounts of salt to their butter, so it is difficult to control the amount of salt in your recipe. In a pinch, you can use salted butter in a savory recipe, but we would not recommend using it for baking.