Creamy Burrito Casserole

Found this amazing casserole on food.com. I love it.

INGREDIENTS

1 lb ground beef or 1 lb ground turkey
1/2 medium yellow onion, chopped
1 (1 1/4 ounce) package taco seasoning
6 large flour tortillas
1 (16 ounce) can refried beans
2 to 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
jarred hot sauce, if desired to spice it up

INSTRUCTIONS

Brown ground meat/turkey 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 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 20-30 minutes.