Chicken Caesar salad

INGREDIENTS

• 1 medium ciabatta loaf (or 4 thick slices crusty white bread)
• 3 tbsp olive oil
• 2 skinless, boneless chicken breasts
• 1 large cos or romaine lettuce , leaves separated
• 1 garlic clove
• 2 anchovies from a tin
• medium block Parmesan or Grano Padano cheese for grating and shaving (you won't use it all)
• 5 tbsp mayonnaise
• 1 tbsp white wine vinegar