Creamy Tomato Soup

Name: Creamy Tomato Soup
Ingredients: 4 Tablespoons (1/2 stick) unsalted butter; 2 Tablespoons olive oil; 1 medium onion, chopped; 1 medium carrot, finely diced; course sea salt and fresh black pepper; splash of red wine vinegar (just over 1 Tablespoon); 1/4 cup all-purpose flour; 3 Tablespoons tomato paste; 1 dried bay leaf; 2 cans (14 1/2-ounces each) low sodium chicken broth; 2 cans (28-ounces each) whole peeled tomatoes in juice (with basil if available); 1/2- 3/4 cup whole milk or cream