Black Beans Come Whole Or Pureed And Mixed With Seasonings As A Sauce.The Sauce Is What'S Called For.If Only The Beans Are Available,Rinse In Cold Water And Puree With A Little Chicken Broth Before Using.... Heat 1 Tbls.Of The Oil In Pan.Add Gingerroot,Garlic,And Onions,And Saute Over Medium Heat 5 Minutes.Add Chicken Broth,Sake,Soy Sauce,Sesame Oil,Black Bean Sauce And Sugar.Cook At Low Boil 5 Minutes. Strain,Discard- Ing Solids.Return Sauce To Pan. Combine Cornstarch In Cup With 1 Tabls.Black Bean Sauce Mixture.Stir Until Smooth,Then Pour Into Pan.Cook Sauce Over Low Heat,Stirring Constantly Until Thickened,About 2 Minutes.Taste.If Too Salty And Thick (It Should Pour Easily),Stir In Up To 2 Tabls.Water.Set Aside. Heat Remaining 2 Tabls.Oil (Or Use 1 Tbls.Oil With 1 Tabls.Butter,Iff Desired) In Large Skillet.Mix The Flour With The Pepper To Taste.