Salvadorean Bean and Cheese Pupusas are pillowy bean and cheese-stuffed corn tortillas. 5 years ago, my husband and I got engaged while on a mission trip in El Salvador. While we were there, we learned how to make traditional bean and cheese pupusas from one of the abuelas in the church we were working with. If you've never had a pupusa before, they're basically handmade corn tortillas that ...