Easy Tomato Soup Recipe

Ingredients

• 2 tablespoons extra-virgin olive oil, plus more for drizzling
• 2 tablespoons unsalted butter, or an additional 2 tablespoons olive oil
• 2 medium yellow onions, chopped
• 2 medium carrots, chopped
• 6 garlic cloves, chopped
• 2 tablespoons balsamic vinegar
• 2 (28-ounce) cans diced tomatoes, and their juices
• 3 cups water or vegetable broth
• 1⅓ cups heavy cream, plus more for drizzling*
• 1 teaspoon dried thyme
• ½ teaspoon red pepper flakes
• 1 teaspoon sea salt, plus more to taste
• Freshly ground black pepper
• Fresh basil leaves, for garnish