Taco Spaghetti Casserole

5 ozs. dried spaghetti
1 lb ground beef
1 lg onion, chopped (about 1 cup)
3/4 C. water
2 Tbsp taco seasoning mix
1 (11 oz) can corn
1 C. shredded cheddar cheese
1/2 C. salsa
1 (4oz) can green chilies
6 C. shredded lettuce
1 C. broken tortilla chips
1 Med. tomato cut into thin wedges

1. Cook pasta according to directions. Drain pasta and rinse with cold water. Drain again.
2. In a 12'' skillet, cook ground beef and onion until the meat is brown. Drain fat.
3. Stir in water and taco seasoning. Brind to a boil; reduce heat. Simmer uncovered for 2 minutes.
4. Stir in cooked pasta, corn, shredded cheese, salsa and chilies.
5. Transfer mixture to a lightly greased 2 Qt. round casserole dish. Cover and bake at 350 degrees for 15-20 minutes.
6. Sprinkle with remaining cheese. Serve with lettuce, tortilla chips and tomato wedges.