Caesar Salad with Pancetta

Name: Caesar Salad with Pancetta
Ingredients: 3/4 pound pancetta, sliced 1/2-inch thick; 2 pints cherry tomatoes; Good olive oil; Kosher salt; Freshly ground black pepper; 2 large heads romaine lettuce; 1 cup freshly grated Parmesan; 1 extra-large egg yolk at room temperature*; 2 teaspoons Dijon mustard; 2 large cloves garlic, chopped; 8 to 10 anchovy fillets (optional); 1/2 cup freshly squeezed lemon juice (3 lemons); 2 teaspoons kosher salt; 1/2 teaspoon freshly ground black pepper; 1 1/2 cups good mild olive oil; 1/2 cup freshly grated Parmesan cheese