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.