Step 1: Prepare the Romaine Lettuce: Thoroughly wash the romaine lettuce leaves under cold water. Pat dry with a clean kitchen towel or use a salad spinner to remove excess moisture. Chop the lettuce into bite-sized pieces and place it in a large salad bowl.
Step 2: Make the Caesar Dressing: In a medium-sized bowl, whisk together the mayonnaise, minced garlic, lemon juice, Dijon mustard, and Worcestershire sauce until well combined. Gradually drizzle in the olive oil while whisking continuously to create a creamy emulsion. Season with black pepper and salt to taste. If desired, whisk in the pasteurized egg yolk for added richness.
Step 3: Combine the Salad: Pour the Caesar dressing over the chopped romaine lettuce in the bowl. Gently toss the lettuce to ensure it's evenly coated with the dressing. Be careful not to overdress the salad, as this can make it soggy.
Step 4: Add Parmesan and Croutons: Add the grated Parmesan cheese and croutons to the salad bowl. Toss gently to distribute the cheese and croutons throughout the salad.
Step 5: Serve Immediately: Serve the Caesar salad immediately to prevent the croutons from becoming soggy. Garnish with additional grated Parmesan cheese, if desired.
Optional Tips: For homemade croutons, toss cubed bread with olive oil, garlic powder, and salt, then bake at 375F (190C) for 5-7 minutes until golden brown. For a vegetarian option, ensure the Worcestershire sauce used is vegetarian-friendly. Adjust the amount of garlic and lemon juice according to personal preference.