Boiled Leg of Mutton with Anchovy and Parsley Sauce -

Ingredients

• 1 leg of mutton, about 2kg
• 2 sticks of celery
• 2 onions, peeled and cut into quarters
• 2 bay leaves
• 1 tbsp allspice berries
• A handful of parsley stalks
• Salt
• 4 tbsp lamb fat
• 2 onions peeled and chopped
• 1 heaped tbsp plain flour
• 300ml lamb stock
• 250ml single cream
• Ground white pepper
• 1 bunch of parsley, coarsely chopped
• 20 good-quality anchovies in oil, rinsed and coarsely chopped
• Juice of 2 lemons