Soft and sweet, these soft Sourdough Sugar Cookies are easy to make and perfect to cut with your favorite cookie cutters! Don't waste your sourdough starter discard, make sugar cookies with it!
In the bowl of a stand mixer, add the butter and sugar. Beat on medium speed for 2 minutes until the mixture is light and fluffy.
Add the egg, vanilla extract, and sourdough discard. Mix again for 1 minute.