Preheat oven to 190 degrees
Slices Roma tomatoes in half lengthways and place on to a baking tray lined with foil
Drizzle on olive oil, ground black pepper, and salt then roast for 1 hour
In a pan heat up 3 tbsp olive oil or 2 tbsp unsalted butter, dice the onion and sauté in pan for a few minutes
Add in 4 minced garlic cloves, 1 tbsp of thyme and stir well
Now add in the large 28 oz can of tomatoes and 1 tbsp of sugar. Stir again then add 1 cup of fresh basil roughly chopped. Let this simmer for 10 minutes
Once cooked, add the roasted Roma tomatoes and let the mixture simmer for another 20-30 minutes
Using a hand blender blend the soup until smooth
Stir in 2/3 cups of heavy cream