Lamb lasagne - Good Food Middle East

Ingredients

• 1 tbsp olive oil
• 4 lamb neck fillets (about 400g)
• 1 garlic clove
• 1 rosemary sprig
• 500g carton passata
• 500ml whole milk
• 50g unsalted butter
• 50g plain flour
• 70g parmesan, grated
• 6 lasagne sheets
• 2 mozzarella balls, torn into thin strips
• 2 tbsp panko breadcrumbs
• dressed chicory leaves to serve, (optional)