Seed tomatoes by cutting off stem top and squeezing them over the sink to remove seed and juice. Process tomatoes in a food processor for just a moment to chop coarsely, or chop by hand. Add herbs and seasonings to taste.
If using right away, it need not be cooked; however, if it will be refrigerated or frozen, simmer sauce over low heat for 5 to 10 minutes. Sauce may be refrigerated in a tightly sealed container and used within a week or two.