Stir-fry the minced meat in the wok for 8-12 minutes. Strain off and save the liquid. Set the meat aside.
Add the oil to the wok and stir-fry the garlic very quickly: then add onion, reduce heat and stir-fry for 10 minutes, until translucent. Add Balti paste and garam masala (if you're using it). Raise heat again and stir-fry for another few minutes. Then add the mince to the mixture in the wok and continue stir-frying a few minutes more.
Lower heat and simmer uncovered for 35-40 minutes. Every now and then, add some of the reserved liquid to help keep the mixture from sticking. When cooked, add coriander leaves to taste. Serve.