Melt butter in a heavy frypan or large pot and saute onion till soft, but not brown. Add celery and frozen beans and cook for two minutes. Add cabbage and stir for a few more minutes until coated with melted butter/oil.
Add mince and stir till until the meat has lightly browned then add soup packet contents, soy sauce and just enough water to cover the mixture. Simmer for a further 20 minutes.