Jeckrow was lacking both kitchen staff and food. Thus, you need to collect Conides in Altgard, make Roast Conides in the Temple of Artisans in Pandaemonium, and deliver the dish to him.
Step 1. Roast ConideA shellfish living near the Altgard Fortress.s and take it to JeckrowA barkeep at the Apellbine Tavern in Pandaemonium. He is a little rough but quite generous.. (You need to collect: Roast ConideA shellfish living near the Altgard Fortress.)