Cabbage Rolls with wine

for the cabbage rolls 2 large heads savoy cabbage 5 tbsp/70 g unsalted butter 1/4 cup/40 g coarsely chopped onion 4 cups/630 g cooked white rice 1 lb/455 g[...]

1 head cabbage 600 g ground pork 1 (7 ounce) can Spam or 1 (7 ounce) can chopped ham 2 stalks onion scallions (thinly sliced) 1 egg salt and pepper 1 medium[...]