Green tomato chutney - Good Food Middle East

Ingredients

• 4 tbsp olive oil
• 1kg onions, chopped
• 6 garlic cloves, finely chopped
• 1 tbsp mixed spice
• 1 heaped tsp yellow mustard seeds
• 1 tsp chilli flakes (optional)
• 2 bay leaves
• 2kg green tomatoes, roughly chopped
• 500g cooking apples, peeled and diced
• 850ml cider vinegar
• 500g light soft brown sugar
• 200g soft pitted dates, chopped
• 200g sultanas
• 1 tbsp flaky sea salt (or 1 heaped tsp coarse crystal)