This recipe is one that I was given by my mother and have used for years. She found it in an old chinese cookbook and I have never found it since. I made a couple of changes to the original recipe, but basically it is the same one my mother has used for years for her sweet and sour pork. Serve with tempura chicken or pork as a main dish or egg rolls or crab rangoon as a dip. *Of note, the sauce is not your typical red color, it is brownish. The first time I made this, my husband and I were only married a few months and he asked why isn't this red? Ever since then, I add a few drops of red food coloring to bring it that red color one usually expects with sweet and sour sauce, you can omit this if you like.