I used a regular sized can of plain tomato sauce, and a small can of tomato sauce with Spanish seasonings - garlic, onion, and cilantro. (kitchenistadiaries.com)
I did add an 8 oz can of tomato sauce in at the end, because I wanted more sauce for the amount of meat. (eatingwell.com)
I like a tomato taste so I add an 8 oz can of tomato sauce. (quakeroats.com)