Fiesta Casserole

This is my new favorite thing to make for a big group...easier than lasagna and always a hit! Thanks to Kristal for the recipe!

1 lb. ground beef
1 green pepper, diced
1 red pepper, diced
1 onion, diced
2 c. frozen corn
2 c. Tex Mex cheese
1 can diced tomatoes
2 c. salsa
12 flour tortillas

Brown hamburger, onions and peppers. Drain. Add corn, tomatoes, and salsa. Bring to a boil. Layer in a 9x13" pan as you would lasagna--a little sauce, [tortillas, sauce, cheese] x 3.