Beef Steak (Filipino style)

Ingredients:

2 pounds sirloin steak, cut into 1/4-inch pieces
2 tablespoons lemon juice
3 tablespoons soy sauce
1/2 teaspoon freshly ground pepper
salt to taste
1 cup thinly sliced onion rings
1/4 cup cooking oil
1/2 cup water

Instructions:

Marinate the meat in lemon juice, soy sauce, pepper and salt for 3 hours or more.
Cook onion rings in oil until transparent. Transfer to a serving dish, leaving the oil in the skillet. Add the meat to the skillet and cook over high heat, stirring often, until tender. Transfer the meat to a serving dish. Add marinade and water to the skillet, simmer for 10 minutes and pour over the meat and onion rings.