Marinate the meat
Combine the soy sauce with all of the ingredients up to and including the coriander stalks, coat the meat with the mixture and marinate, covered, in the fridge for approx. 2 hrs.
Toasted rice powder
Toast the rice in a non-stick frying pan over a medium heat for approx. 10 mins. until golden brown. Remove, leave to cool, grind into a fine powder using a food processor or pestle and mortar.
Finely slice the reserved coriander leaves, combine with 1 tbsp of toasted rice powder, lime juice and all of the remaining ingredients.
Wipe the marinade off the meat. Cover the meat and grill over/on a medium heat (approx. 200 °C for approx. 1½ mins. on each side. Cover and leave to stand for approx. 10 mins. Serve the steaks with the dip.