Taco Casserole

1 lb hamburger
1 can refried beans
1 sm can tomato sauce
1 pkg Doritos
1 pkg taco seasoning
1 chopped onion
1 can chopped black olives
Grated cheese

Crush some of the corn chips and put into a greased casserole dish.  Brown hamburger
and onion.  Drain.  Mix with refried beans, tomato sauce, seasoning, and olives.  Put
into casserole on top of chips.  Cover; bake at 350* until heated through, about
20 minutes.  Top with the remaining crushed chips and grated cheese.  Bake an additional
15 minutes uncovered.  Serve with sour cream.

*I have tried this recipe and it is delicious!