A creamy, nutrient-packed smoothie perfect for post-workout recovery. Bananas provide quick energy, while walnuts add healthy fats. Fun fact: The combination of yogurt and walnuts dates back to ancient Greece, where athletes ate it for stamina. Hippocrates called walnuts "brain food" due to their shape resembling the human brain. In India, this smoothie is called "kela aur akhrot ka sharbat" and is served to pregnant women for its folate content. The cinnamon adds warmth and helps regulate blood sugar, a trick borrowed from Ayurveda. Modern studies show this blend reduces muscle inflammation, making it a favorite among fitness enthusiasts!