Crushed chilli (or other form of chilli)
Fish sauce First cook the lamb (or other) steak until browned outside but rare inside. Set aside and slice into thin slices during the remaining cooking. Slice onions then fry gently in oil until transparent. Add sugar (quite a lot – for two I use a couple of tablespoons at least), garlic, chilli and fry until the sugar is lightly caramelised. Throw in equal parts of vinegar, soy and fish sauce (roughly speaking, you want a little more total liquid than you had sugar), stir in and bring to the boil. Cook until slightly thickened. Add the sliced meat and stir-fry until cooked to your
. Serve with boiled rice and something green.