Taco Soup is a delicious and perfect soup recipe for cold winter nights mainly prepared with ground beef, taco seasoning mix, beans,tomatoes, and ranch salad dressing mix. The very basic taco seasoning soup is prepared by adding pre-cooked beef to taco seasoning and the rest of the ingredients that are simmered for a few minutes. Taco soup is often enjoyed as an accompaniment to tortilla chips or Mexican cornbread.