in a small sauce pan add vinegar 4 pats of real butter 1/3 a stick and add sugar boil for 3 mins or a little more add 1/3 cup of broth reserve the rest for what ever you want put it in ice cubes freeze put cubes in bag easy storage take reserve cornstarch which is already seasoned from wings. add about 2 tablespoon and 1/3 cup of water mix well till smooth into vinegar solution cooking , if its boiling add cornstarch solution into vinegar stir well keep watching it's gonna thicken when it does stir for a bit while boiling reduce to simmer for four minutes stir so it won't clump up.