I can't get beef consomme at my grocery store. I am planning on trying a Rachael Ray recipe for French Onion Soup topped French bread pizza. After caramelizing onions and deglazing with sherry, you are supposed to add a can of beef consomme and cook to thicken up. you use this as a topping over french bread. I'm afraid if i just use beef broth it will be french bread mush- suggestions?