Mix the anchovies with the mayonnaise, sour cream, garlic, spices, lemon, water and Grana Padano. This is your Ceasar sauce. Add salt and pepper to taste.
Heat a drizzle of oil in a pan over medium high heat.
Toast your bread cubes for about 4-5 minutes until golden and crispy. Remove from the pan and season with some salt.
Mix the lettuces, celery, herbs and croutons together in a bowl.
Garnish with the sauce, blue cheese and some black pepper. Add some more lemon juice to taste.