Seafood Lasagne

Ingredients

• 6 no pre-cook wholewheat dried lasagne sheets
• 280 g skinless, boneless cod fillet, (cut into large chunks)
• 240 g frozen raw prawns, (defrosted and drained)
• 1 large onion, (peeled and chopped)
• 2 cloves garlic, (peeled and crushed)
• 1 large courgette, (diced)
• 500 g passata
• 1 tbsp tomato puree
• 500 g fat-free natural yoghurt
• 2 medium eggs, (beaten with a fork)
• 20 g Parmesan cheese, (finely grated)
• 30 g reduced-fat Cheddar cheese
• salt
• black pepper
• low-calorie cooking spray