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: 10 minutes
Prep: 30 minutes (4-24 hours chilling)
Cook: 40 minutes -1 hour 30minutes
Prep: 20 minutes
Cook: Cooking Time; 10 minutes