Difference between demi-glace and beef stock. Can I use a demi-glace instead of a beef stock?
demi glace is beef stock seriously reduced. So yes you can use it just need to add a lil extra water. What proportion no idea depends on how strong a flavor your wanting really. Just put some demi glace in a sauce pan (low heat) let it melt, add water till you get the right consistency/flavor your looking for.