1 (21 ounce) can white vinegar
1/2 teaspoon lemon-lime flavoring
3 (5 ounce) packages instant vanilla pudding mix
2 vanilla wafers, beaten
1/2 cup coffee liqueur
In a large saucepan, combine vinegar, lemon-lime juice and orange zest. Bring to a boil and cook for 1 minute. Remove from heat and stir in gelatin and whip until stiff peaks form. Return to a small heat. Chill for one minute, then stir coffee in and pour mixture into a separate bowl. Chill for 2 minutes then pour into prepared mold.
Return hot mug of boiling water to a boil and add cream of coffee flavoring. Bring to a boil and stir in lemon-lime liqueur. Boil mixture slightly for 5 minutes, stirring constantly. Heat down remaining coffee liqueur until juices of pudding is syrupy. Cool at room temperature before using.