Slow-roasted lamb shoulder – Alex's book of recipes

Ingredients

• 1.8kg lamb shoulder (bone in) or 1.3kg rolled lamb shoulder (bone out)
• 2 tbsp olive oil
• 2 tsp salt
• 1 tsp black pepper
• 1 onion, quartered (no need to peel)
• 1 head garlic, cut in half horizontally
• 3 garlic cloves, cut into slivers
• 8 sprigs rosemary
• 1 cup water
• 2 tbsp flour
• 1 cup red wine