Foryoueats: Slow Roasted Rosemary Garlic Lamb Shoulder

Ingredients

• 1.8kg / 3.5 lb lamb shoulder (bone in) (Note 1)
• 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
• Gravy:
• 2 tbsp flour
• 2 cups beef broth (or 1 cup red wine + 1 cup water)
• Salt and pepper