Preheat oven to 180 deg and line baking tray with parchment paper
Slice tomatoes and garlic cloves into halves. Add them to bowl. Season them with salt pepper and olive oil
Place them on baking tray and roast for 40-45 minutes
Allow to cool for 15 minutes
Blend Tomatoes and garlic cloves until smooth
Add basil leaves and blend well
Add these mixture to deep bottom vessel
Add oregano, salt and veg broth. Mix well
Cook over low medium heat for 15 minutes
If you wish to have creamier soup ,add corn slurry now. If you wish to add coconut milk or low fat cream, then add them towards the end. This is entirely optional step. if adding it, mix well and cook for 5 minutes
You can always add any other seasonings if you desire
Serve hot. I have used chia seeds to garnish. If you wish to have richer taste , you can add butter too