Adam Liaw’s modern caesar salad (including how to cook perfect jammy-yolked eggs)

Ingredients

• 4 eggs (optional)
• 3 tbsp olive oil
• 2 garlic cloves, peeled and bruised
• 100g speck, rind removed and cut into thick lardons
• 250g (3 cups) sourdough bread, cut into 3cm cubes
• 2 heads baby cos lettuce, large dark outer leaves discarded
• 1 cup freshly grated parmesan cheese, grated with a Microplane
• freshly ground black pepper, to season