Decarboxylate hemp flower if you want a cannabinoid-rich oil
Grind the hemp flower into a coarse consistency
Combine the hemp with a carrier oil such as olive oil, coconut oil, or MCT oil
Heat the mixture gently using a double boiler or slow cooker
Keep the temperature low and avoid boiling
Stir occasionally during the infusion
Let the hemp infuse for several hours
Strain the mixture through cheesecloth or a fine mesh strainer
Press out the remaining oil from the plant material
Transfer the finished hemp oil into a clean, sealed container
Store the oil in a cool, dark place
Label the container with the date and contents