Preheat oven to 350 degrees F.
Brown the hamburger, sausage and chopped onion together. Add the optional green chiles and cook until fragrant. Set aside.
In a separate bowl, mix to combine cornbread mix, 2 cans of creamed corn, butter, and oil.
In a greased 9x13 inch baking pan, layer half of the cornbread mixture and spread at the bottom. Scatter the meat mixture over it. Sprinkle the cheese over the meat. Spread the remaining half of the cornbread mixture on top of the cheese until smooth.
Bake at 350 degrees for 1 hour.
Let set and cool for 10-15 minutes before serving. Enjoy!