Slow cooker ratatouille - Good Food Middle East

Ingredients

• 2 tbsp olive oil
• 1 red onion, sliced
• 2 garlic cloves
• 2 large aubergines, cut into 1½ cm pieces
• 3 courgettes, halved and cut into 2cm pieces
• 3 mixed peppers, cut into 2cm pieces
• 1 tbsp tomato purée
• 6 large ripe tomatoes, roughly chopped
• small bunch of basil, roughly chopped, plus a few extra leaves to serve
• few thyme sprigs
• 400g can plum tomatoes
• 1 tbsp red wine vinegar
• 1 tsp brown sugar
• sourdough, to serve (optional)