Turn Your Vaporized Cannabis Into Medicated Cooking Oil


There’s an often overlooked advantage to using a dry flower vaporizer that not enough people know about. It’s possible to use vaporizer leftovers to extract cannabinoids into oil or butter. Because the material is toasted, it’s already decarboxylated, so all you have to do is collect it over time and once you have approx. 2oz worth of flower, you’re ready to stir up some medicated cannabis cooking oil. 

The only downside is that the toasted plant taste will carry over into the edibles. After having tried edibles made with clean rosin, the hashy taste of this cannabis oil is mildly disappointing but there’s an old-school charm and thriftiness to it that we’re calling undeniably chill. Using the method below, you can go from vaporizer leftovers to usable edibles in as little as half a day.

For its high-fat content and health, we’re fond of MCT (medium chain triglyceride) oil. There are fancy versions of it but you can also find it in the grocery store as coconut cooking oil because it is essentially coconut oil that doesn’t harden. MCT oil is super versatile. Use it for smoothies and juices, Bulletproof Coffee, topical application, sublingually, in capsules, or straight-up.




This recipe calls for 2 ounces of vaporized weed and 2 cups of coconut oil, which you can adjust to your liking. 

Ingredients & Tools

  1. 2 cups (16oz) Organic MCT oil (coconut cooking oil)
  2. 2oz dry flower vaporizer remains
  3. 6 cups (48oz) of vegetable oil
  4. Pyrex bowl or beaker
  5. Crock Pot
  6. Spatula 
  7. Candy thermometer
  8. Stainless steel mesh strainer
  9. Paper coffee filters
  10. Stainless steel funnel and strainer

How to make cannabis oil from vaporizer remains

  1. Measure 16oz of liquid coconut oil into the Pyrex container and stir in 2oz of vaporizer remains. 
  2. Add the vegetable oil to the crock pot and switch the Crock Pot on. 
  3. Place the Pyrex container inside the Crock Pot. 
  4. Use the candy thermometer to maintain a steady 180 degrees Fahrenheit temperature inside the Pyrex.
  5. Hold the temperature steady for at least two hours, stirring frequently, and keeping the temperature steady. 
  6. Switch off the Crock Pot.
  7. Place the mesh strainer on the bowl and carefully pour hot oil mix into it.
  8. Use the spatula (or equivalent tool) to press as much oil out of the vaporizer leftovers as possible. Discard any leftover plant material.
  9. Line the stainless funnel with the coffee filter and pour the oil in slowly, allowing to gravity to pull the oil down into the container.
  10. Replace the filter when the sediment build-up blocks the oil from passing through. Twist and squeeze the remaining oil out of the filter before discarding it.
  11. Label and store the oil. 
June 19, 2018

by Davie Dabbs aka Popeye

Profile photo of Davie Dabbs aka Popeye
Davie is a long time cannabis professional who has worked not only as a cultivator but in all aspects of retail cannabis. From budtender, to wholesale and retail management, and from harvester to advanced hydroponic specialist, Davie has been around the block more than once. Now residing in beautiful British Columbia, Davie now works with acres of greenhouses, producing some of the best buds in the country.


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