Taco Pasta Toss

1/2 lb. spaghetti, uncooked
1 lb. lean ground beef
1 small onion, chopped
1 ( 1 1/4 oz) pkg. taco
1 c. water
1 c. frozen corn
1/2 c. thick ‘n chunky salsa
1 c. shredded lettuce
1/4 c. sour cream
1 c. shredded 4 cheese with touch of Philadelphia

Cook spaghetti as directed on pkg., omitting salt. Brown meat with onions in large skillet. Stir in seasoning mix, water, corn and salsa. Bring to boil; cover. Simmer on medium-low heat 3 minutes or until heated through, stirring occasionally. Drain spaghetti; place in large bowl. Add meat sauce; mix lightly. Top with lettuce, cheese and sour cream. Makes 4 (2-cup) servings.(Optional: Top with chopped tomatoes, chopped avocados or crushed tortilla chips before serving.) (from Kraft Foods)