Veggie lasagne - Good Food Middle East

Ingredients

• 2 tbsp oil
• 1 onion, sliced
• 1 garlic clove, sliced
• 1 aubergine, cut into chunks
• 1 red pepper
• 8 plum tomatoes, halved
• 350ml passata
• 200g ready-cooked lasagne sheets
• 6 tbsp half-fat crème fraîche
• 2 tbsp grated parmesan (or vegetarian alternative)