Want a simple and delicious artichoke appetizer? In this video, you’ll learn how to use jarred artichoke hearts to make a party-friendly gratin. Using... See more halved artichoke hearts creates individual servings that you can pick up and eat with your fingers. Step-by-step instructions guide you each step of the way. Serve warm or at room temperature for a terrific finger food appetizer or side dish. Go ahead and experiment with different cheeses or seasonings to get lots of variations on this simple party dish. In fact it's so simple, you'll wonder why you didn't think of it yourself. Watch the video, then get the recipe for Chef John’s Artichoke Hearts Gratin. Find more top-rated vegetarian appetizers.