Pour the oil, egg yolk, sour cream and stock into a mixing bowl. Add the lemon juice, Worcester sauce, anchovies, garlic and ginger, then puree the mixture with a hand blender. Season with salt, pepper, chilli and sugar to taste.Rinse and clean the romaine lettuce, then tear or chop the leaves into smaller pieces. Wash the tomatoes, remove the core and cut into slices…
