. . "These include restaurant foods; prepared pasta sauces, which may contain as much as 900 mg sodium in a half-cup; cereals, including some targeted for children that contain 200 to 300 mg sodium per cup; instant bread and muffin mixes; cottage cheese, which can have as much as 400 mg per half-cup; and condiments such as ketchup, which has 190 mg of sodium per tablespoon." . .