How to Make It
In a blender, combine 2 tablespoons Parmesan, Dijon mustard, minced garlic, white-wine vinegar, Worcestershire sauce, drained silken tofu, salt, and black pepper. Add to running blender 1 1/2 tablespoons olive oil in stream until blended (1-2 minutes). Add 1 more tablespoon olive oil; blend (1-2 minutes). Divide torn romaine lettuce hearts among 4 bowls; top each with 2 tablespoons dressing, 1 tablespoon grated Parmesan, and 4 croutons.