Blended with zesty red and green jalapeño peppers and aged to perfection, this buttery, slightly tart, semi-soft Monterey Jack cheese packs a flavorful punch. Boar's Head® Jalapeño Pepper Jack Cheese is produced in the U.S. with whole cow's milk. Ingredients: Pasteurized Milk, Cheese Cultures, Jalapeño Peppers, Salt, Enzymes.