These days, at least in the US, liverwurst is a pretty niche product. Maybe try a local specialty butcher or sausage manufacturer? Or you could order online f

These days, at least in the US, liverwurst is a pretty niche product. Maybe try a local specialty butcher or sausage manufacturer? Or you could order online from this deli - https://www.zingermans.com/Product/usingers-smoked-liverwurst/M-LWS https://www.zingermans.com/Product/usingers-smoked-liverwurs... (Though I'd wait for cooler weather, and "Ships frozen" probably won't be cheap.)