By James Peterson
Combine 2 cups (500 milliliters) demi-glace with ¼ cup (60 milliliters) Madeira. Gently reduce the mixture back down to 2 cups (500 milliliters). Skim off any froth or scum that floats to the surface.
Copyright © 2017 by James Peterson. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.