2 cups uncooked corkscrew macaroni
1 pound lean ground beef
1 (1.25 ounce) envelope taco seasoning mix
1/2 cup commercial French dressing
1/2 head lettuce, shredded
1 pint cherry tomatoes, halved
1 cup shredded sharp Cheddar cheese
1/2 cup chopped green onions
1/2 cup chopped green bell pepper
Cook macaroni according to package directions; drain. Rinse with cold water, drain. Chill at least 1 hour.
Cook ground beef in large skillet until browned, stirring to crumble; drain off drippings. Stir in taco seasoning and French dressing; cool.
Combine macaroni, beef mixture and remaining ingredients in a large bowl; tossing well. Serve immediately.