Creamy Burrito Casserole

1 lb ground beef
1/2 medium yellow onion, chopped
1 (1 1/4 ounce) package of taco seasoning
6 large flour tortillas
1 (16-ounce) can of refried beans
2 -3 cups shredded taco cheese or 2 -3 cups cheddar cheese
1 (10 3/4 ounce) can cream of mushroom soup
4 ounces sour cream

Brown ground meat and onion; drain.

Add taco seasoning and stir in refried beans.

Mix soup and sour cream in a separate bowl.

Spread 1/2 sour cream mixture in the bottom of a casserole dish.

Tear up 3 tortillas and spread over the sour cream mixture.

Put 1/2 the meat-bean mixture over that.

Add a layer of cheese.

You could put some hot sauce on this now.

Repeat the layers.

Sprinkle cheese over the top and bake, uncovered, at 350°F for 30 minutes