Casablanca Market Purple Olives. Casablanca Market Purple Olives are grown in the remote Atlas mountain range of Morocco, where the climate, rich soil, and ancient groves produce these savory olives. These olives are picked when not quite ripe, resulting in a beautiful reddish-purple hue. They're softer than green olives and are brined in salt and water. Plant-Based, Gluten-Free, Non-GMO, Kosher, Halal, Nut and Soy Free, No Additives/Preservatives, or Added Sugars. Our olives can be used in stews, tagine dishes, salads, pastas, pizzas or to add variety to your next olive sampler with their unusual color and unique Moroccan flavor. Ingredients: Purple olives, water, and sea salt. Refrigerate after opening. Size: 11.9 oz.