As our companions said, in order to make those sausages you need to upgrade your cauldron with a spice rack as there are now levels to cooking. Just as we already had with the workbench and the forge.

However, with this you now have a few more cooking recipes to try out, so go on, head on over to the crafting section of the building menu, look up your new options and start making those viking tastebuds jump for joy again.