This is how to rcaoast the bones and make the brown roasted beef stock

Learn how to cook a flavorful beef stock.

This is the classic old version of a good stock 

There is lot to learn here, especially about cleaning the fat and impurities off.

Many people do not spend enough time on this point, however this is what will give you the best basis for your product or dish.

when a stock is not cleaned, it will slowly infuses with the fat and leftover impurities from protein breaking down. This will make it bitter and muddy and can make it impossible to reduce into a sauce without it separating since it contains to much fat. 

How you strain a beef stock or bouillon.