All purpose grind. Quality since 1921. Premium quality. Until recently, the only way you could experience the great taste of freshly-brewed White Castle coffee was to dine in a White Castle restaurant. Now, you can enjoy the legendary taste of White Castle coffee in the comfort of your own home. To ensure the ultimate freshness and full-bodied flavor for which White Castle is famous, the coffee is packed in flavor-locked bags immediately after roasting. White Castle - a tradition since 1921.