Caesar Salad

Ingredients

• 1 egg yolk*
• 3 tablespoons fresh lemon juice
• 1 tablespoon minced garlic
• 1/2 teaspoon Worcestershire sauce
• 1/4 teaspoon red pepper flakes
• 1 tablespoon Dijon mustard
• 2 anchovy fillets, mashed
• Scant 1 cup vegetable oil
• 1/3 cup extra-virgin olive oil
• Salt and freshly ground black pepper
• 1 large head romaine lettuce, cleaned and cut into 1 to 2-inch pieces
• Freshly grated Parmesan
• 2 cups croutons