1. Pour 300ml of base spirit in a container.
2. Cruh half a test tube of green cardamom. Optional: heat up the cardamom in a pan for extra aroma.
3. Add the crushed cardamom to the spirit.
4. Allow to infuse for 24h.
5. Strain the cardamom out through some filter paper.
6. Bottle it in a decanter using the funnel.