1Blister and deskin the poblano chiles, remove the stem end, seeds and separate into large pieces. Cook the potatoes until barely tender, let cool, then slice 1/8 inch thick.
2Peel the squash and cut the long way into 1/4 inch thick slices, place on paper towel, sprinkle with salt and set aside for at least 30 minutes to remove some of the water.
3Into a buttered 14×8 inch glass casserole dish place layers of potato, onion, squash, chile, tomato, corn, melting cheese; sprinkle with jalapeno, garlic, oregano, black pepper and repeat layering once.
4Bake partially covered in a 400 degree oven for at least 30 minutes or until most of the liquid is gone.
5Lastly, sprinkle with the topping cheese and bake uncovered for 15 minutes more.
Member recipes are not tested by the CHOW food team.