Potato, Poblano, and Chorizo Tacos

poblano chiles

canola oil

large potato, peeled and diced

large onion, chopped

corn kernels, thawed if frozen

ground red pepper

garlic cloves, minced

Mexican raw chorizo, casings removed

low sodium chicken stock

salt

(6-inch) tortillas

green onions, sliced

shredded Manchego cheese (1 ounce) (use Monterey Jack cheese if you can't find Manchego)

lime wedges