Rich Roasted Tomato Soup

INGREDIENTS

• Kosher salt and freshly ground black pepper
• 2 cups chicken or vegetable stock
• 8 Roma tomatoes, cut in half lengthwise
• 1/2 onion, chopped
• 2 teaspoons dried herbes de provence
• 1/2 cup plus 1 tablespoon water, divided
• Sour cream or olive oil, for garnish, (optional)
• 2 cloves garlic, minced
• 2 tablespoons olive oil, divided