Roasted tomato & mascarpone soup

INGREDIENTS

• 1kg very ripe tomatoes
• pinch golden caster sugar
• 1 tbsp balsamic vinegar
• 3 tbsp olive oil
• 1 large onion , chopped
• 1 carrot , finely chopped
• sprig of thyme and 2 fresh bay leaves, tied together
• 2 garlic cloves , chopped
• 1 tbsp sundried or normal tomato purée
• 600ml vegetable stock
• 2 tbsp mascarpone cheese (or use double cream as alternative)
• best quality extra-virgin olive oil
• fresh thyme