Cabbage Rolls

4 huge heads of cabbage, cooked, deleafed, and the vein thinned
10 lbs of beef/pork mixture, (more pork than beef)
4 bags Uncle Ben's boiling rice, cooked, cooled
3 white onions, chopped very fine
season salt
onion powder
garlic powder
1/4 c. lemon juice
salt
pepper
Mix all ingredients but the cabbage until thoroughly combined. Roll meat in to each cabbage leaf, tucking ends into roll as you go.
In bottom of a large roaster pan:
2 12 oz. tomato paste and water
1 27 oz. sauerkraut, drained
add cut cabbage ends and pieces and put into bottom of pan.
Stack rolls 2 deep in pan.
Top with 1 can sauerkraut.
Cook 4 hrs @ 300 degrees
Last 1/2 hour add a flour and water mixture to make a thin gravy.