1 package shell macaroni (cooked)
1 medium green pepper, chopped
1 medium onion, chopped
1/2 cup celery, chopped
1 cup mayonnaise
1 Tablespoon yellow mustard
2 hard cooked eggs, finely chopped
Salt and pepper to taste
Cook macaroni according to package directions, rinse well.
Mix all other ingredients in a large bowl.
Add drained macaroni and toss well, coating evenly. Chill for at least one hour before serving.