BBC Food - Recipes - Posh roasted vegetables

Ingredients

• 2 medium aubergines , cut into 1cm/½in slices
• 2 red peppers , deseeded and cut into 1cm/½in slices
• 500g/1lb 2oz courgettes , cut into 1cm/½in slices
• 6 tbsp olive oil
• 2 red onions , finely chopped
• 2 garlic cloves, crushed
• 500g/1lb 2oz tomato passata
• 1 tsp caster sugar
• 1 small bunch fresh basil , chopped
• 50g/1¾oz gruyère cheese, grated
• 2–3 large tomatoes , each cut into 8 wedges
• 2 tsp chopped fresh thyme leaves
• salt and freshly ground black pepper