Cow in a Jar

The Cow in a Jar is a genius invention based on the Milk Jar.

Inside is a tiny cow that will continuously produce milk over time.

Check the Cooking Table for more information on multi-block Kitchens.

Crafting (in-world)

If the above image is not clear enough, I’ve also made a short instructional video visualizing the process:

Drop an anvil block on a cow above a milk jar.


  • Right-click with a bucket of milk to put milk into the milk jar.
  • Right-click with an empty bucket to take it back out.


cowJarEnabledIf true, a cow can be squished into a Milk Jar by dropping an anvil on top.
cowJarMilkPerTickThe amount of milk the cow in a jar generates per tick.1
compressedCowJarMilkMultiplierEx Compressum compatibility. Multiplier applied to the milk per tick for Compressed Cow in a Jar.9
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