For the chiles relleños:
- 4 large. fresh poblano peppers
- 8 ounces (225g) shredded Jack cheese
For the salsa roja*:
- 4 medium fresh tomatoes, halved
- 1 jalapeño pepper
- 1 large clove garlic (skin left on)
- 1 small onion, halved
- Kosher salt
*Or, for a shortcut, use 2 cups (475mL) tomato sauce plus 2 teaspoons taco seasoning