src/Controller/MenuItemController.php

@@ -48,6 +48,8 @@ final class MenuItemController extends AbstractController
             $entityManager->flush();
         }
 
-        return $this->redirectToRoute('app_menu_item_index', [], Response::HTTP_SEE_OTHER);
+        return $this->redirectToRoute('app_food_vendor_show', [
+            'id' => $menuItem->getFoodVendor()->getId()
+        ], Response::HTTP_SEE_OTHER);
     }
 }