Created by lazyme on January 23, 2015
Step 1: Preheat oven to 350°F.
Step 2: Using a very sharp knife, cut the corn from the cobs and set aside.
Step 3: In a large skillet, heat a tablespoon of the butter and saute the onions and zucchini for 3 to 5 minutes over medium heat. Remove. Add another tablespoon or two of the butter and saute the tomato and tomatillos for 3 to 5 minutes.
Step 4: Lightly grease a large casserole.
Step 5: Combine all the vegetables together, including chiles; season with oregano, salt and pepper. Sprinkle with the grated cheese and dot with the remaining tablespoon of butter.
Step 6: Bake the casserole, covered with its lid or with foil, for 30 minutes.
Step 7: Then run it briefly under the broiler to brown the top before serving.