Start by preparing the Basil Chimichurri. Place the basil leaves in a small blender or food processor. Add olive oil, salt and pepper and blend until smooth.
Boil the pho broth and add the sliced beef in the broth. Bring it back to a boil and turn off the heat.
Slice open the baguettes lengthwise and toast them in an oven or toaster oven.
Assemble your sandwich by spreading some basil chimichurri and hoisin sauce on the baguette. Add sliced beef and top with bean sprouts and cilantro.