Roquefort salad with warm croutons and lardons

Ingredients: olive oil 250 g piece smoked bacon , rind removed 2 thick slices sourdough bread , cut into 1cm pieces 4 large handfuls lamb's lettuce, watercress or rocket , washed and spun dry 2 large handfuls radicchio , washed and spun dry 1 large handful shelled walnut halves , sliced 1 bunch fresh chives , finely chopped 100 g Roquefort cheese Dressing: 6 tablespoons extra virgin olive oil 2 tablespoons red wine vinegar 1 tablespoon Dijon mustard Method: Put a large frying pan on a high heat, and once hot, add a good couple of lugs of olive oil....