How to use up leftover party wine | Wine Sauces, reductions, deglazing: our expert panel has plenty of options for making the most of undrunk vino – whether you’ve got just a capful or a whole carafe to get… Sauces, reductions, deglazing: our expert panel has plenty of options for making the most of undrunk vino – whether you’ve got just a capful or a whole carafe to get…