Mexican Lasagna - cooking recipe

Ingredients

ground beef
3 c. chopped onion
18 envelopes taco seasoning mix
6 (15 oz. each) cans tomato sauce
6 (14 1/2 oz. each) cans diced tomatoes and liquid
32 to 40 (10-inch) flour tortillas, cut into 2-inch strips
4 1/2 lb. Cheddar cheese, shredded and divided

Preparation

In several Dutch ovens, over medium heat, brown beef and onions; drain.
Add the taco seasoning, tomato sauce and tomatoes; bring to a boil.
Reduce heat, cover and simmer for 10 minutes.