Bryan Ford, TV program host, author, and baker, is making cheesy bean-filled pupusas, a Central American griddle cake that's served hot with a smoky salsa and crispy pickled veggies. Bryan explains how to use masa harina, aka masa flour and shares his love for ingredients like Salvadorian cheese, chilies, and more. Have a look at the recipe here: Sign up for MUNCHIES here: All MUNCHIES videos launch a full week early on our website: Hungry? Sign up…