1 lb ground beef
1 tablespoon Worcestershire sauce
2 teaspoons seasoned salt
1/2 cup shredded Cheddar cheese (4 oz)
1/2 cup tomato sauce
2 tablespoons ketchup
2 tablespoons mustard
1 jar (16 oz) Cheddar cheese sauce
Shredded lettuce, chopped tomatoes, pickles, chopped onion, as desired
Heat oven to 350°F. Spray 13x9-inch (3-quart) baking dish with cooking spray. Cook and drain pasta as directed on package. Cool 5 minutes. Meanwhile, in 10-inch skillet, cook beef over medium heat, stirring occasionally, until no longer pink; drain. Stir in Worcestershire sauce and seasoned salt. Stir in Cheddar cheese. In small bowl, mix tomato sauce, ketchup and mustard. Spread in baking dish. Use spoon to stuff beef mixture into shells; arrange in tomato sauce mixture in baking dish. Pour cheese sauce over all. Cover with foil; bake 20 minutes. Top with remaining ingredients.