liver and marinade to skillet. Cook and stir until partially cooked,about 2 minutes.Remove from skillet and set aside.To the skillet add remaining 2 tablespoons water.Add onions;cook and stir until onions are crisp and tender, about 3 minutes.Add tomatoes;cook and stir until tomatoes are tender,1 minute.Add reserved liver and marinade;cook and stir until meat is cooked,but still pink in the center,about 2 minutes Serve with cooked rice,if desired.Serves 4.