Beef Taco Bake

1 lb ground beef
1 can tomato soup
1/2 cup salsa
2 cups shredded Cheddar cheese
1/2 cup milk
6 flour or 8 corn tortillas, cut in 1" pieces OR
     4 large handfuls of tortilla chips

Brown hamburger and drain.  Add soup, salsa, half of the cheese, milk, and tortillas.  Spoon into a 2-qt shallow baking dish.  Cover.  Bake at 400 degrees for 30 minutes.  Sprinkle with the other half of the cheese and serve.