Nibblous | roasted tomato soup

Ingredients

• 4 tbsp olive oil, plus extra to serve
• 1kg plum tomatoes, halved
• 1 onion, sliced thinly
• 2 fat cloves garlic, halved
• 2 small sprigs each fresh thyme and basil
• 1 tsp caster sugar
• 1 litre vegetable or chicken stock or water
• 2 semi-soft sun-dried tomatoes
• 1 tbsp barbecue sauce