Also, make sure to check out my Instant Pot corned beef recipe. You will get that ... to add even more nutrients to the soup ...

For good flavour and nutrition, a beef marrow bone is a great addition to this bone broth. Make up the rest with chicken carcasses from roasts or lamb bones, which are also good for a rich flavour.

Among the factors qualifying the soup as among the best are the deeply colored, caramelized onions stirred in melted butter, the flavorful beef stock and the thick crust of toasted Gruyère cheese over ...