Recipe courtesy of chef Aarón Sánchez
3 bolillo-style rolls or 1 long baguette 2 tablespoons olive oil
2 tablespoons olive oil
1 yellow or white onion, chopped
2-3 carrots, chopped
1/2teaspoon salt
6 cloves garlic, divided
8 ounces white or cremini mushrooms, chopped
2 tablespoons tomato paste
1 tablespoon dried oregano
1 teaspoon ground cumin