- '4 pounds plum tomatoes
- halved lengthwise'
- '2 teaspoons (or more) kosher salt
- divided'
- '1/2 teaspoon freshly ground black pepper
- plus more'
- '6 tablespoons olive oil
- divided
- plus more'
- '1 medium onion
- coarsely chopped'
- '1 cup heavy cream'
- Preheat oven to 400°F
- Place tomatoes, cut side up, on a large rimmed baking sheet
- Season with 1 1/2 tsp
- salt and 1/2 tsp
- pepper, then drizzle with 3 Tbsp
- oil
- Roast tomatoes until tender and caramelized, about 1 hour and 15 minutes
- Let cool slightly
- Meanwhile, heat 3 Tbsp
- oil in a medium pot over medium
- Cook onion and 1/2 tsp
- salt, stirring occasionally, until soft and translucent, 8–10 minutes
- Add roasted tomatoes and any accumulated juices, cream, and 1 1/4 cups water to pot
- Bring to a boil, then reduce heat and simmer until flavors have melded, 20–25 minutes
- Working in batches, transfer tomato mixture to a blender and purée until smooth
- Taste and adjust seasonings if needed
- Divide among bowls, then top with a drizzle of oil and freshly ground pepper