I usually do. And with some soups more than that so I can freeze in small containers. Like my garlic soup for the winter.
I roasted a leg of lamb last week. Took most of the meat off. Put the bone in the freezer for lamb and cabbage soup later on.
Start with cooking the bone in just enough water to cover it, an hour at least on low heat. Take it out. Add a good beef broth, sautéed onion, cabbage, and a little shaved carrot. Season, always some good ground pepper and granulated garlic. Take off all the lamb from the bone and cut up if needed. Add the lamb to the pot and serve. I never freeze any leftovers. It’s not a big pot soup. If you have a dog they will love the bone.