Hearty Veg Soup

• 2 tbsp extra virgin olive oil
• 2 onions, chopped
• 3 garlic cloves, crushed
• 2 carrots, chopped into bite sized pieces
• 1 1 butternut pumpkin, chopped into bite sized pieces
• 1 capsicum (bell pepper), chopped into bite sized pieces
• 2 zucchini, chopped into bite sized pieces
• 400 g tin chickpeas, drained
• 800 g tin cherry tomatoes
• 4 cup salt reduced vegetable stock
• 1 tbsp balsamic vinegar
• .5 cup grated parmesan cheese, to serve
• 2 tbsp chopped fresh parsley, to serve
• .5 tsp chilli flakes to taste(optional)