Heat the olive oil in a large frying pan over a medium-high heat and fry the cubes of bread, tossing regularly to coat in the oil.
Fry until golden brown, then season and drain on kitchen paper.
Fry the bacon in the same pan for 4-5 minutes until golden brown and crispy.
Drain on kitchen paper as well.
Arrange the lettuce on serving plates and top with croutons, bacon pieces and shavings of parmesan.
Whisk together all the ingredients for the dressing and drizzle over the salad.
Garnish with chives and serve immediately.
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