I recently got this recipe from a friend and it's similiar to an Enchilada Casserole. It is so fast and so easy. Very yummy too, so this one's being added to the list!
1 # ground beef
1 can tomato soup
1 cup salsa
1/2 cup water
8 corn or flour tortillas, cut into 1 inch pieces
1 cup shredded cheddar cheese
Cook beef in medium skillet over medium-high heat until beef is browned. Pour off fat. Add soup, salsa, water, tortillas, and half the cheese. Heat to a boil. Cover and cook over low heat 5 min. or until hot. Top with remaining cheese and green onions.
*I think I used 6 flour tortillas and it was plenty.