Beef Steak, Philippine-style

Ingredients:
2 pounds sirloin steak, sliced 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 white onion rings
1/4 cup cooking oil
1/2 cup water

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