Peel carrots and onions; clean celery. Remove seeds from green pepper. Cut carrots in quarters lengthwise, celery in diagonal strips and green pepper in lengthwise strips. Leave onions whole.
Place vegetables on 6 pieces of aluminum foil, dividing them evenly. Sprinkle salt over them and add 1tblsp. Basic Red Sauce to each of the 6 groups. Close foil around vegetables, using drugstore wrap and folding ends. Do not wrap tightly.
Bake in hot oven (400°) 50 to 60 minutes or until vegetables are tender. Serve steaming hot in foil, opening tops of packages and folding edges back.