Adjust the trivet into instant pot and add water into it.
Place an empty heat proof container in it.
Put grated ginger and currants in a steamer basket and put into the pot. Cover the pot with lid, adjust the pressure on manual “High” and cook for 12 minutes.
Release the pressure naturally, remove the lid and allow it to cool down for around 10 minutes.
Take out the steamer basket containing the steamed fruit. The juice will be in the bottom container.
Measure the juice quantity, add double quantity of sugar to make a thick syrup.
Stir frequently until sugar dissolves.
When you get the desired thickness it is ready to put into jars.