Join the Good Shepherd community. Eat our favorite Salvadoran food - Pupusas!! Support the El Salvador scholarship fund with a free will offering and view a slideshow of our trips to beautiful El Ocotillo. What is a pupusa? A pupusa is a thick flatbread made from cornmeal and stuffed with one of more ingredients such as cheese, refried beans, pork, chicken, spinach, squash. It is served with a red sauce, fried plantains and cabbage slaw.