I have a constant supply of stock in my freezer it makes a base for my soups, stews, pies, sauces and risotto. You can lamb bones easily enough from your butcher or meat supplier at your local farmers market.
Prep: 20 minutes
Cook: 1 hour
Prep: 2 minutes
Cook: 3-5 minutes
Prep: 15 minutes
Cook: Make at least 2 weeks in advance