Easily infuse your own olive oil with these glass cordial bottles and fresh herbs. 1. Gather bottles and fresh herbs. 2. Wash herbs and let them dry thoroughly 3. Combine herbs and olive oil in bottle and let sit for one week in a cool, dry spot 4. Enjoy! A few of our favorite infusion recipes include: lemon, sea salt, and thyme; dried chili pepper and lime; garlic and chili pepper; and oregano, bay leaves, and ground chili pepper.