STUFFED CABBAGE ROLLS

large head cabbage
1/2 pound ground sirloin
1/2 pound ground pork
1/3 cup rice, raw, can use instant or regular
1 small onion, grated
2 eggs
1 teaspoon salt
1/4 teaspoon pepper
1 large onion, sliced
1 large can (15 ounces) tomato sauce
3 cans (14.5 ounces each) diced tomatoes
3 to 4 teaspoons lemon juice (1 large lemon)
1 teaspoon salt
1/4 teaspoon pepper
1/2 to 1 cup brown sugar