Impress your guests with a refreshing and visually stunning cocktail that will change color before their eyes. While its intense blue and purple might look artificial, the ingredients are completely natural. Butterfly pea tea simple syrup is made from butterfly pea, which has been an ingredient in Ayurvedic tinctures for centuries. Freshly brewed, this tea is a deep cobalt blue. If you add a few drops of lemon juice, the tea will turn a vivid purple. If you add some hibiscus or rose hip tea…