Our 'Ol Uncle Cal's Sweet & Hot Mustard is a best seller and has been a Kozlowski Family favorite for many years! Our recipe blends white distilled vinegar, brown sugar, mustard flour, fresh eggs and lemon juice concentrate to a creamy consistency. This mustard is perfect for potato or macaroni salads or your favorite sandwich or Polish dog. It's also a great flavor enhancer to any salad dressing. This product is Kosher certified by KSA.