You need to finely chopped both the fruits. You need to remove the seeds of the kumquats while chopping. Use it with the skin. In a pan, add them along with honey and water. Cook it for 15 minutes. The fruits will become pulpy. Take them off the gas and let it cool. Add lime juice to this. Blend it to a juice consistency. Add little water while doing so. Fill the juice in any Popsicle mold and freeze it for at least 6 hours.