Olives & Capers Marinara Sauce Olives & Capers Marinara Sauce, 17oz. glass jar Z Specialty Foods Marinara Pasta Sauce Collection Here's a new and delicious take on pasta sauce. With a foundation of their zesty Cowboy Caviar, Z Specialty has created a flavorful Garden Marinara Sauces. Starting with fresh vegetables -- tomatoes, eggplant, onions, peppers, garlic, they add olives and capers, all sautéed in virgin olive oil to creating this distinct delicious sauce with a tangy attitude.