GRANDMA'S SECRET TSO'S SAUCE

Ever since I was a little kiddo, my grandma would frequently make this incredible chicken/pork/tofu dish with the best/tastiest/most mouthwatering sauce. She would share it was her secret recipe, but she sometimes wrote it down! All I know/remember/have is that it had this umami-packed flavor/taste/kick. It was always so popular/delicious/scrumptio