Schwartz Fish Pie Sauce for Fish 300gCreate the perfect creamy fish pie sauce with this expertly blended Schwartz recipe mix, including white wine, parsley and lemon, for a delicious flavor everyone will love. Schwartz work directly with local farmers across over 40 countries to ensure our ingredients are of the highest quality. Carefully selecting the best spots to grow our herbs and spices around the world allows us to guarantee intense flavors, vibrant colors and powerful aromas.