BBC Food - Recipes - Blue cheese and pancetta tray loaf

Ingredients

• 600g/1lb 5oz strong white flour , plus extra for flouring
• 1 tsp sea salt , plus extra for the topping
• 1 tbsp caster sugar , plus 1 tsp for cooking the onions
• 1 tbsp dried instant yeast
• 100ml/3½fl oz olive oil
• 50g/1¾oz pancetta , sliced
• 2-3 tsbp rosemary leaves, plus extra for serving
• extra virgin olive oil , to drizzle
• 125g/4½oz blue cheese, crumble d
• 2 tbsp olive oil
• 3 large onions , sliced
• 1 tbsp thyme leaves
• 1 tsp caster sugar
• 1 tbsp balsamic vinegar
• salt
• pepper