"Though this salsa is a close cousin of the Roasted Jalapeno-Tomato Salsa, its flavors are more mellow (more roasted chilies but ones with a richer, less bitey flavor), and its consistency is saucier (you'll notice the addition of tomato puree). Red onion adds more sweetness than white, and the touch of thyme adds a gentle complexity that you'd never get with cilantro alone. The result: a salsa that easily doubles as a sauce. Use the pulpier plum tomatoes rather than round ones for the sauciest consistency...."