Just made my first batch of “cool weather” bone broth and it turned out perfect! You can tell it is rich in collagen protein because it firmed up in the refrigerator (note the lump sitting on top), a property of the gelatin form of collagen protein.
So below is what I did in a nutshell. You can find more detailed tips on making good bone broth and why collagen protein is so important for health in my book, The Collagen Diet: Rejuvenate Skin, Strengthen Joints, and Feel Younger by Boosting Collagen Intake and Product, just released this last year!