How to Make It
In a blender, combine the mayonnaise with the 3 tablespoons of grated pecorino, 1 anchovy and the water, vinegar, garlic, Worcestershire and Tabasco. Process until smooth. Season with white pepper.
In a large salad bowl, toss the romaine with the dressing and season with black pepper. Garnish with pecorino shavings and anchovy fillets and serve right away.