Can you freeze fresh basil leaves and use them later?

Yes, you can freeze fresh basil leaves and use them later. You can blanch whole leaves in boiling water or puree the leaves in a food processor with olive oil.

To blanch the leaves, boil a pot of water and throw clean basil leaves in it for 8-10 seconds. Immediately plunge the leaves into a bowl of ice water to stop the blanching. Allow to fully dry before storing them in a freezer-safe container. To puree the basil leaves in a food processor, use one cup of basil leaves and one tablespoon of olive oil. Once combined, use an ice cube tray to freeze into cubes.