Anna at King Arthur September 27, 2021 at 5:20pm In reply to What is the purpose of the… by Barbara (not verified) Hi Barbara. The vinegar is to help the cookies rise by reacting with the baking soda, which also ensures that you don't end up with any residual bitter baking soda flavor in your cookies. Happy baking! Reply
September 27, 2021 at 5:20pm
In reply to What is the purpose of the… by Barbara (not verified)
Hi Barbara. The vinegar is to help the cookies rise by reacting with the baking soda, which also ensures that you don't end up with any residual bitter baking soda flavor in your cookies. Happy baking!