Tortilla Casserold (Beef Style)

1 lb. extra lean beef
1 onion, finely chopped
1 can black beans, drained (and maybe a little smashed)
1 can chopped green chillis
2 cups salsa
8 corn tortillas
1 cup sour cream
1 can cream of chicken soup
1 1/2 cups grated cheese

Brown beef, sausage, and onion together. drain off excess fat. Add drained beans and the chilis.
Spread 1/2 cup salsa on bottom of microwave safe casserole dish or a 9x13 pan.
Cut tortillas in half and arrange 1/2 the tortillas on the bottom of the baking dish. Combine 1 cup salsa, sour cream, and soup. Spread tortillas with 1/2 of the sour cream mixture. Spread with 1/2 the meat and bean mixture, sprinkle with 1/2 the cheese. Repeat process. Cover with foil and bake at 350 for 30 minutes.