Keto Sugar Cookies with Vanilla Frosting is a soft, buttery low-carb cookie topped with smooth, sugar-free vanilla frosting for the perfect festive treat without the carbs. This Keto Sugar Cookies with Vanilla Frosting recipe delivers easy prep, clean ingredients, and classic holiday flavor ideal for Christmas baking, gifting, weight loss, and anyone craving a nostalgic sugar cookie that stays fully keto-friendly.