known as "pho tái" or "rare beef pho," you get a steaming hot bowl of broth with noodles, along with several slices of raw beef. The beef slices are dipped straight into the hot broth in the bowl ...
describes beef pho as the original and quintessential version. Dating back to the early 1930s, Vietnamese cooks began blanching raw beef slices in the broth, serving them alongside flat rice noodles.