Pambazos are a popular street food in Mexico City. They are sandwiches made with a type of bread called pambazo, which is dipped in a red guajillo pepper sauce and then filled with various ingredients such as potatoes, chorizo, cheese, and lettuce. The sandwich is then grilled until crispy and served with salsa and crema. Pambazos are a delicious and filling option for a quick and satisfying meal on the go.