Question: can i use tomato puree instead of tomato soup?
Answer: For ½ cup tomato sauce and ½ cup water, 1 cup tomato puree plus dash of salt and sugar can be used. An easily available substitute is tomato ketchup. ... Although not so commonly used, tomato soup serves as a great substitute. In fact, 1 can (10¾ oz) of tomato soup can substitute 1 cup of tomato sauce plus ¼ cup of water.