1/2 kg beef, slice at 6 mm thick size to suit you
2 medium Lemon or 6 tbspoon calamansi juice.
2 large red onions. cut into ring shape.
1/2 tspoon black pepper.
1/3 cup soy sauce (Silver Swan)
4 tbspoon cooking oil
Mix all ingredients EXCEPT Onions and oil stir properly.
Marinate beef for minimum of 1 hr.
cook all in frying pan at medium heat, cover till almost dried.
when close to drying add cooking oil stir then add onoin rings
cover for 2-3 mins, do not over cook onoinc.
Done, and serve
