Vegetable Tikka Masala - A better choice!

Ingredients

• 2 tbsp olive oil
• 1 brown onion, diced
• 2 tsp fresh ginger, grated
• 4 cloves garlic, minced
• 1 tsp each chilli powder, smoked paprika, and coriander
• ½ tsp turmeric and cumin
• 170g tomato paste
• 400g fire roasted tomatoes
• 400ml coconut milk
• 1 cup water
• 1 head cauliflower, florets removed and chopped
• 2 carrots, chopped
• 1 green capsicum, chopped
• Salt and pepper, to taste
• 3 tbsp plain Greek yoghurt, to serve
• Naan bread or cooked rice, to serve