Grilled chicken with warm cos lettuce salad

Ingredients

• 3 slice multigrain bread (100g), cut into 3cm cubes
• rice bran oil spray
• 4 small leeks (800g), trimmed, halved lengthways
• 300 gram chicken breast fillet, trimmed
• 1 baby cos lettuce (185g), trimmed, quartered lengthways
• 2 teaspoon finely grated lemon rind
• 1 tablespoon lemon juice
• 1/4 cup coarsely chopped fresh basil leaves
• 1/4 cup coarsely chopped fresh flat-leaf parsley
• 10 gram shaved parmesan
• Buttermilk dressing
• 1/4 cup (60ml) buttermilk
• 3 teaspoon lemon juice
• 2 teaspoon chopped fresh tarragon
• 1 tablespoon chopped fresh chives
• 1/2 clove garlic, crushed