Making an herbal oil extraction used to involve watching a pot of simmering ingredients and hoping nothing went wrong. Magical Butter has now perfected the art with their self-cleaning botanical extractor machine. You simply add butter to the 9.5-inch deep unit for an oil extraction or add alcohol for a tincture. Then, add your medicinal herb and let the extractor do its thing. The processing time and specific recipe depend on what you are making.