I put a layer of citrus juice on top of a cut avocado, then cover it. It is also possible to do it with solid slices of a citrus too. It works best with narro

I put a layer of citrus juice on top of a cut avocado, then cover it. It is also possible to do it with solid slices of a citrus too. It works best with narrow lidded jars where you make a batch of guac, put inside a narrow lid container, top with citrus juice.