Taco Filled Pasta Shells

Ingredients:
1 lb. ground beef
1 envelope taco seasoning
1/2 pkg. (8oz.) cream cheese
12 uncooked jumbo pasta shells
2 T. butter or margarine
1 c. salsa
1 c. taco sauce
1 c. (4 oz.) shredded cheddar cheese
1 c. shredded monterey jack or mozzerella cheese
1 1/2 c. tortilla chips
1 c. (8oz.) sour cream
3 green onions, chopped

Directions:
In a skillet, cook beef until no longer pink; drain.  Add taco seasoning; prepare according to package directions.  Add cream cheese; cover; simmer 5-10 minutes or until melted.  Transfer to a bowl.  Chill 1 hour.  Cook pasta according to package directions; drain.  Gently toss with butter.  Fill each shell with about 3 T. meat mixture. Spoon salsa into a greased 9-inch square cooking dish.  Top with stuffed shells and taco sauce.  Cover and bake at 350 degrees for 30 minutes.  Uncover; sprinkle with cheeses and chips.  Bake 15 minutes longer or until heated through.  Serve with sour cream and onions.