Ingredients :
300 g thinly sliced beef
½ onion, finely chopped
2 cloves garlic, finely chopped
3 tablespoons soy sauce
1 tablespoon fish sauce
2 tablespoons oyster sauce
2 segment ginger, finely chopped
1 tsp black pepper, crushed coarse
1 tablespoon sesame sangria
salt to taste
2 tablespoons butter
