Mediterranean Wild Haddock Gratin

Ingredients

• 150g new potatoes (cut into small bite-sized pieces)
• low-fat olive oil spray (about 10 to 15 sprays)
• 1 clove garlic (peeled and crushed)
• 1/4 yellow pepper (cut into chunks)
• 1/4 red pepper (cut into chunks)
• Cornish sea salt seasoning (sea salt and luxury pepper blend)
• 1/4 of a large courgette (cut into chunky slices)
• 50g cherry tomatoes (halved)
• 125g haddock fillet (skinless and boned)
• fresh parsley (finely chopped)
• lemon wedges/juice to serve