Begin by taking 2 tbsp of the oil and the kosher salt and rub on the poblanos. Now place the poblanos in a 400 degree oven for 20 minutes. Remove the poblanos and place them in a grocery paper bag and close. Let steam for 20 minutes. Peel the skin off and slit the poblanos down the middle.While the poblanos are cooling, heat the remaining oil in a skillet. Add the vegetables and spices and cook for 6 - 8 minutes. Let cool a little.Finish by adding the filling into the slit poblanos. Top with the oaxaca cheese followed by the cotija cheese. Add back to the oven and cook for 5 - 6 minutes making sure you have a good melt on the cheese.Serve and enjoy!