cut up a head of cabbage (or more)
put about half in a big soup pot
throw in a handful or two of rice
pour in some tomato sauce, tomato paste, and/or canned tomatoes 
(crushed or diced--not whole)
add the rest of the cabbage and some more rice
add more tomato
  
i usually add chopped onion and garlic
    
season to taste

     let it simmer for a couple of hours, stirring occasionally.  Or, put 
     the whole thing in the crockpot on low in the morning and it'll be 
     ready for dinner.