Lamb and minted pea sliders

Ingredients

• 2 lamb shanks
• 1/2 tsp sea salt
• 1 tbsp fresh rosemary, finely chopped
• 1/4 cup frozen peas, thawed
• 2 tbsp olive oil
• 1 tbsp lemon juice
• Decent pinch black pepper
• 2 tbsp yoghurt, sour cream or crème fraîche
• 1 tbsp capers
• Small handful mint, smacked and finely chopped
• Pinch salt
• 10 small buns
• Tomato relish – homemade or store-bought
• 1/2 cup iceberg lettuce, shredded, or a few lettuce leaves
• Skewers, to serve (optional)