After the juice has come to a boil, reduce heat, bring to a steady simmer, and cook uncovered until reduced by half until about 2 - 2 1/2 cups of juice remain. (fieryfoodscentral.com)
Other banks have either kept their exposure to the uninsured mortgage market relatively flat or even reduced it by taking out portfolio insurance. (moneysense.ca)
Add red wine (or grape juice) and chicken stock and cook until reduced by about half, approximately 5 minutes. (ohsnapletseat.com)