Layered Enchilada Bake

1 lb lean ground beef
1 large onion, chopped
2 c salsa
1 can black beans drained and rinsed
1/4 c italien sald dressing
2 tbsp chilli powder
6 flour tortillas
1/2 c sour cream
1 c shredded cheese

LIne a 13x9 baking dish with foil.
Brown meat with onions in a large skillet.
Add salsa, beans, dressing and chilli powder; mix well.
Arrange 3 of the tortillas in a single layer on the bottom of the baking dish.
Cover with layers of half each of the meat mixture, sour cream and cheese.
Repeat all layers and cover with foil.
Freeze.

To Serve
Preheat oven to 400.
Bake, covered for 1 hour.
Remove foil.
Bake for an additional 15-20 minutes.