Herb stuffed leg of lamb

Name: Herb stuffed leg of lamb
Ingredients: 1 boneless leg of lamb, about 2kg (41/2lb); 100 g (3 ½oz) pinenuts; 100 g (3 ½oz) pitted green olives; 100 g (3 ½oz) sliced white bread; small bunch flat-leaf parsley, leaves picked; small bunch fresh oregano, leaves picked; small bunch fresh mint, leaves picked; 2 large garlic cloves, peeled; 1 large egg, beaten; 2 lemons: zest of 1 and juice of 2; 1-2tbsp oil; 300 mL (10 fl oz (½ pint)) white wine; 2 tbsp. honey; 2 tbsp. plain flour; 800 mL lamb or chicken stock