Taco Corn Bread Casserole

1 package (8 1/2 oz) corn bread/muffin mix

1 egg

1/3 cup milk

3 cups cooked taco seasoned meat

1 can black beans

1 cup (8 oz) sour cream, light

1 cup colby jack, cheddar or mexican cheese, shredded and divided

1/2 cup onion, chopped

1 medium tomato, chopped

1 cup shredded lettuce

1 can sliced olives (optional, I didn't use)

How to make it:

In a large bowl, combine the corn bread, egg and milk until blended.  Spread into an 8 x 8 pan sprayed with cooking spray.  Bake at 350 for 15 minutes.  Combine taco meat and beans, spread over corn bread.  Combine sour cream, 3/4 cup cheese and onion.  Spread over meat mixture.  Bake for 20 - 25 minutes longer or until heated through and cheese is melted.  Sprinkle with tomato, lettuce and remaining 1/4 cup of cheese.