Complex sentence: In America it generally consists of, at a minimum, ketchup or chili sauce mixed with prepared horseradish, lemon juice, Worcestershire sauce, and Tabasco sauce are common additives, often all three.
Split into simpler sentences: In America it generally consists of, at a minimum, ketchup or chili sauce mixed with prepared horseradish. Lemon juice, Worcestershire sauce, and Tabasco sauce are common additives, often all three.