White. Fu Ruibai, also known as latte milk tea, is a drink made of espresso, milk and tea. Rich white coffee is not too strong, but the aroma of tea is obvious. The addition of milk makes the taste richer and softer. Caramel Macchiato is a coffee drink made of espresso, milk and caramel sauce. Compared with Furuibai, its taste is bitter because there is no tea in it, and its aroma is not as rich as Furuibai.