Salsa with seasoning

4 tomatoes (2 1/2-inch to 3-inch in diameter, the redder the better) 1/2 yellow onion (2 1/2-inch to 3-inch in diameter) 2 dried arbol chiles (3-inch long,[...]

4 Tomatoes (2 1/2-inch to 3-inch in diameter, the redder the better) 1/2 yellow onion (2 1/2-inch to 3-inch in diameter) 2 dried arbol chiles (3-inch long,[...]

12 large red bell peppers olive oil , for coating the peppers plus 2 tablespoons (or as needed) 4 serrano chilies 2 cloves garlic , thinly sliced 1 tablespoon[...]