For the dressing, blend in a mixer the lemon juice, garlic, mayonnaise, parmesan, white vinegar, Worcestershire sauce, Dijon mustard, anchovy paste, salt as well as pepper for about one minute.
With the mixer still running, add the olive oil in a thin stream, gradually.
For the salad, in a bowl, combine the croutons, the chopped romaine lettuce as well as the parmesan cheese.
After that, add the dressing and serve.