Slow cooked lamb shoulder with garlic & rosemary jus

lamb 78.0% , water 11.5% , onion 5.2% , garlic 2.6% , rosemary 1.3% , Thyme Seasoning 0.7% , red wine 0.3% , corn flour 0.2% , sugar 0.1% , red wine vinegar 0.0% , tomato purée 0.0% , salt 0.0% , yeast extract 0.0% , caramelised sugar 0.0% , lamb 0.0% , garlic puree 0.0% , spirit vinegar 0.0% , concentrated lemon juice 0.0% , onion 0.0% , rosemary 0.0% , caramelised sugar syrup 0.0% , black pepper 0.0%