Mika Frozen Artichoke Bottoms, a convenience food item [L]. Ingredients: Artichoke bottoms, often preserved with water, salt, and citric acid. Culinary Uses: These are versatile and can be used in various dishes like salads, pasta, casseroles, or as a side dish. Availability: Similar frozen artichoke bottoms are available from different brands and can be found in the frozen vegetable section of grocery stores. Preparation: Frozen artichoke bottoms are typically pre-cleaned and ready to use, saving preparation time.