Step 1

Place the egg in a pan of cold water and bring to the boil. Boil for one minute and then plunge into cold water to stop the cooking process.

Step 2

Once the egg is cool enough to handle, crack the egg into a food processor and add the garlic, lime juice, Worcestershire sauce, anchovies and oil. Process well and add pepper to taste.

Step 3

Heat a little olive oil in a frying pan, then fry the bread cubes until crisp and golden-brown, then drain on kitchen paper.

Step 4

Place the cos lettuce into a large bowl.

Step 5

To serve, pour the dressing over the leaves and add the fried bread cubes and parmesan. Toss well and serve at once.