Why Do Recipes Call for Unsalted Butter?

Recipes call for unsalted butter so cooks and bakers can control the amount of salt in their dishes and baked goods.

Am I Supposed to Use Salted or Unsalted Butter in Baking?

Different recipes call for different butter: here's the best type

When following a recipe why do they usually ask for unsalted butter then ask for salt, can you not just use salted butter and omit adding extra, does it make a difference?

Why You Should Almost Always Use Unsalted Butter For Baking

Stop Using Unsalted Butter

How To Easily Turn Unsalted Butter Into The Salty Variety

Unsalted butter: does it make a difference in cooking?

Challenge Butter® Unsalted Butter 16 oz. Box

When a recipe calls for butter, what kind of butter are they typically asking for? - Quora

Why Recipes Call for Unsalted Butter

Salted Vs. Unsalted Butter — What Butter To Use

Stop Using Unsalted Butter

Am I Supposed to Use Salted or Unsalted Butter in Baking?

Pantry 101: Salted butter vs. unsalted butter - Chatelaine - Chatelaine