Best Roast Tomato Soup Recipe: Seriously Good Flavor!

Ingredients

• 2.5 lbs (1.1 kg) Roma tomatoes, halved lengthwise
• 1 large yellow onion, peeled and quartered
• 4 cloves garlic, peeled, left whole
• 2 tablespoons olive oil
• 1 tablespoon balsamic vinegar
• 1 teaspoon dried oregano
• 1/2 teaspoon dried thyme
• Salt and freshly ground black pepper, to taste
• 4 cups (950ml) vegetable broth
• 1/4 cup (60ml) heavy cream (optional)
• Fresh basil leaves, for garnish
• Croutons, for serving (optional)