Combine first 3 ingredients in a bowl; stir well. Set aside.
Steam cabbage leaves, covered, 3 minutes; set aside.
Combine veal and next 9 ingredients (veal through egg) in a bowl; stir well. Place cabbage leaves side by side, slightly overlapping. Spoon veal mixture onto stem end of leaves. Starting at stem end, roll up to form a 9 x 3-inch roll.
Steam veal roll, covered, 25 minutes or until done. Cut crosswise into 8 slices; serve with vinegar mixture and rice.