Taco Casserole - cooking recipe

Ingredients

1 (8 pack) tortillas (flour)
1 (10 pack) taco shells
2 lb. ground beef
1 medium onion, diced
2 pkg. taco seasoning
1 container sour cream
1 jar taco salsa

Preparation

Cook beef and onion together until browned; add taco seasoning.
Layer all ingredients evenly in casserole pan.
Cook at 375\u00b0 for 25 minutes.
Cut; serve warm.