How to Make RSO in a Rice Cooker:

In recent years, the popularity of Rick Simpson Oil (RSO) has soared due to its potential health benefits. RSO is a concentrated form of cannabis oil commonly used for medicinal purposes. While several methods exist to produce RSO, one unconventional but effective approach is utilizing a rice cooker. This comprehensive guide will walk you through the step-by-step process of making RSO in a rice cooker, providing clear instructions and tips to ensure success.

What is RSO?

Before delving into the process, grasping the basics of RSO is essential. Rick Simpson, a medical marijuana activist, developed this oil to help treat his skin cancer. RSO is known for its high concentration of cannabinoids, particularly tetrahydrocannabinol (THC) and cannabidiol (CBD). It is believed to possess potential medicinal properties, such as pain relief, reducing inflammation, and aiding sleep. Please consult with a healthcare professional before incorporating RSO into your health routine.

What You’ll Need

To make RSO in a rice cooker, gather the following ingredients and equipment:

  1. High-Quality Cannabis: Choose a strain known for its medicinal properties. Ensure it is free from mould, pesticides, or other contaminants.
  2. Rice Cooker: Opt for a basic rice cooker with a “warm” setting. Avoid using a pressure cooker or any advanced models.
  3. Ethanol or Isopropyl Alcohol: Look for high-grade, food-safe alcohol, ideally with a concentration of 99%.
  4. Wooden Spoon or Mixing Utensil: Use a tool that won’t react with alcohol or cannabis.
  5. Glass Dish: Select a heat-resistant dish large enough to accommodate the mixture.
  6. Cheesecloth or Coffee Filter: This will be used for straining the final product.
  7. Syringes or Droppers: These will help with accurate dosage measurements.
  8. Safety Gloves: Protect your hands from the concentrated oil during extraction.
  9. Ventilation: Ensure proper airflow to prevent the buildup of flammable fumes.

Step-by-Step Process to Make RSO in a Rice Cooker

Follow these steps carefully to make RSO in a rice cooker:

Step 1: Decarboxylation

Decarboxylation is a crucial process that activates the cannabinoids in cannabis. Preheat your oven to 220°F (105°C). Grind the cannabis coarsely, spread it evenly on a baking sheet, and place it in the oven for 30-45 minutes. This step converts the non-intoxicating THCA into THC.

Step 2: Extraction

Put on your safety gloves to protect your hands. Place the decarboxylated cannabis in a glass dish and pour enough alcohol to submerge the plant material. Stir the mixture thoroughly for 3-5 minutes, ensuring the alcohol dissolves the cannabinoids.

Step 3: Rice Cooker Setup

Pour the alcohol-cannabis mixture into the rice cooker. Ensure the rice cooker is well-ventilated or near an open window. Avoid using the rice cooker near open flames or heat sources that could ignite the alcohol fumes.

Step 4: Evaporation

Please turn on the rice cooker to its highest heat setting. The alcohol will start to evaporate, creating flammable fumes. It’s crucial to keep the area well-ventilated during this process. Consider using a small fan to improve airflow.

Step 5: Temperature Control

As the alcohol evaporates, monitor the temperature using a thermometer. Once the temperature reaches around 160°F (71°C), reduce the heat to the “low” or “warm” setting to prevent overheating. Maintaining a consistent temperature is vital to avoid damaging the cannabinoids.

Step 6: Stirring

Periodically stir the mixture with a wooden spoon or mixing utensil to prevent it from sticking to the sides of the rice cooker. This will help distribute the heat evenly and ensure complete evaporation of the alcohol.

Step 7: Evaporation Completion

Continue evaporation until the mixture reduces to a thick, dark, tar-like consistency. This indicates that the alcohol has evaporated, leaving behind the concentrated RSO. This may take several hours, so be patient and vigilant.

Step 8: Cooling and Straining

Allow the mixture to cool for a short period. Once it reaches a safe temperature, strain the RSO through a cheesecloth or coffee filter into a clean glass container. This step removes any remaining plant material or impurities, producing a pure RSO.

Step 9: Storage

Transfer the strained RSO into a suitable storage container, such as a dark glass jar with an airtight lid. Store it in a cool, dark place away from direct sunlight or extreme temperatures. Proper storage helps maintain the quality and potency of the RSO.

Dosage and Usage

When using RSO, starting with small doses and gradually increasing them as needed is crucial. Since RSO is highly concentrated, a tiny amount can have potent effects. Consult a healthcare professional to determine the appropriate dosage for your needs and condition.

To consume RSO, it can be ingested orally or applied topically. For oral consumption, you can place a small amount under your tongue and hold it there for a minute or two before swallowing. Alternatively, you can mix it with food or beverages for easier ingestion.


Making RSO in a rice cooker is an unconventional yet effective method for creating this concentrated cannabis oil. Following the step-by-step process outlined in this guide, you can produce your RSO relatively easily. Remember to prioritize safety, maintain proper ventilation, and consult a healthcare professional before incorporating RSO into your health routine.

Harnessing the potential medicinal properties of RSO can be life-changing for many individuals. Always prioritize quality ingredients, proper dosing, and responsible usage. By creating RSO in a rice cooker, you can have a convenient and accessible way to produce this valuable oil in the comfort of your home.

Disclaimer: This article is for informational purposes only and does not constitute medical advice. Consult with a healthcare professional before using RSO or changing your health routine.

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Sohail Haider
Sohail Haider
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