Step 1

Brown beef and onion; drain.

Step 2

Add taco seasoning and stir in refried beans.

Step 3

Mix soup and sour cream in a separate bowl.

Step 4

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

Step 5

Tear up 3 tortillas and spread over sour cream mixture.

Step 6

Put 1/2 the meat bean mixture over that.

Step 7

Add a layer of cheese.

Step 8

Repeat the layers.

Step 9

Sprinkle cheese over the top and bake, uncovered, at 350°F for 20-30 minutes.