What can you substitute for beer in a beef brisket receipe I am cannot have beer?

You can substitute beer in a beef brisket recipe with beef broth, which adds depth of flavor and moisture. Alternatively, a mixture of Apple cider vinegar and water or a non-alcoholic beer can also work well to mimic the acidity and richness of beer. For a sweeter option, you might use a combination of root beer or cola with some additional spices to enhance the taste.