Looking for the best classic cookie recipe? This easy homemade Scottish shortbread is rich, buttery, and melts in your mouth! Whether you're making cookies, bars, or festive Christmas desserts, this crust-based dessert is a timeless favorite. Perfect as sugar cookies, biscuits, or a base for millionaire bars, this is the ultimate treat for any dessert lover. Save this dessert bar recipe for the holidays or enjoy it any time you need a simple yet satisfying sweet bite.