Tuna sisig, the easy way! vote now OtherVery Easy45 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 2 2 flat cans of Century Tuna flakes in oil, drained 2 medium white onions, chopped 3 tablespoons of soy sauce 4 tablespoons of vinegar 2 bird's eye chili or siling labuyo a pinch of ground pepper View the directions