Making CBD Oil With Slow Cooker


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A safe and simple way to infuse cannabis in your slow cooker for effective weed butter. Just a few steps and ingredients that is difficult to mess up with. <b>This recipe is part of our <a href="">Danksgiving party menu</a>.</b>

How to Make Cannabinoid CBD Weed Butter in a Crock Pot

We started these recipes exploring different ways to extract cannabinoids a little fearful of what our neighbors may think. That was week 1.

At this point, F it, right?

Let’s make cannabis weed butter. Teach those neighbors a thing or two about a thing or two.

Why a Crock Pot for Making CBD Butter?

So glad you didn’t ask!

First things first. Is it CrockPot or Crock Pot… or Crockpot?

I’ll call it a slow cooker since google trends show’s slow cooker as trending.

Infused Cannabis Butter in a Slow Cooker is Dead Simple

Slow cookers make busy lives seem simple. Nothing like coming home to a hot bowl of chili that sat in the cooker all day.

Well, even better coming home to some cannabis butter. You’ll know it’s ready when your nose is near the front door – we promise.

Speaking of, if you want to limit the decarb smell because you live near neighbors, check out our mason jar tips.

Ardent Nova Decarboxylator

Better than I imagined.Very slight smell but hardly noticeable.Fast and gets the job done with minimal cleanup.” ⭐⭐⭐⭐⭐

Levo Oil Infuser

This machine can make infused oils dressings coconut,olive,vegetable oil infused in hr or so no smell no waist.” ⭐⭐⭐⭐⭐

Slow Cooker CBD Butter Limits Burn Risk

We also love the slow cooker because as long as you keep it on your lowest setting, there is very little room for error.

Nothing feels worse than having to throw out a batch because you scorched off the cannabinoids.

So just like our motto when experimenting with edibles, slow and low is how we like our slow cooker CBD butter.

How to Make Cannabis Infused Butter (or ‘canna butter’)

Cannabis infused (CBD, THC, CBN…) butter is a staple in the edible cannabis connoisseurs pantry.

Butter is delicious and CBD butter is delicious-er. At least to us.

Infused butter is a versatile carrier for THC and other cannabinoids.

We abide by a few truths for making this butter.

  1. Don’t burn your product, and
  2. Always decarboxylate your flower, and
  3. Use our dosage calculator to know your limits

You don’t need very many items for this recipe — just time really. It’s a set it and forget it type process.

Just remember to stir from time to time to really help the extraction process.

Tools for Making CBD Butter in a Slow Cooker
  • Slow cooker (aka. Crockpot)
  • Strainer (cheese cloth or metal strainer)
  • Container (you can use a jar or molds to make a butter shape)
  • Spatula (good to the last drop)

Slow Cooker Infused Butter Tips

First, we suggest adding a little water to help reduce the risk of burning if you don’t trust your slow cooker. It will most likely evaporate away while cooking but, if not, you can remove it after the butter hardens and separates from the water.

Second, keep the temperature on low – about 160 degrees. Under 200 degrees is our target. Anymore and you risk burning off the terpenes and wasting the cannabinoids.

Also, you really only need to let it go for about 3 hours and then you can begin cooling. Some say longer is better, but if you are in a rush it’s better to limit the time than to crank the heat (see above).

Simple Crock Pot Infused Cannabis Butter in a Slow Cooker

A simple and safe way to extract cannabinoids for infused butter. 3 ingredients and a crock pot is all you need to have some long lasting and effective infused THC or CBD weed butter.



  • 2 cup Unsalted butter – around a pound
  • 1/2 ounce Ground and decarboxylated cannabis – around 15 grams


Set your slow cooker to low, or around 160ºF. (Stay under 200 degrees to prevent degrading the cannabinoids)


Disclaimer: this information is not medical advice and is purely for entertainment and education purposes. In no way do we condone the use of cannabis or it’s bi-products without the consent of your medical professional as well as abiding by your state and country laws.

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This Post Has 61 Comments

Do you have a lid on the slow cooker

Do you add any water ?

I used to when I didn’t have have a digital crockpot with temperature control. If you don’t trust the low setting, I recommend throwing in a cup of water (or more, it really won’t impact anything) to keep things from burning. After you strain it, you’ll need to let it sit in the fridge and allow the butter to harden and separate from the water.

Hope this helps!

something I did that made this even easier was to make a tea bag with cheesecloth and knot it tightly. Once its fullysteeped (I also went over 3 hours) I used a metal hand lime squeezer that I bought at a local Fiesta Foods and squeezed everything I could out of it… all without getting any on my hands. Waste not want not… ammirite? Excellent method Thank You.

Wow, nifty! Does any of the plant material end up in the final product when you do the lemon squeeze? Sometimes when I squeeze too much it can taste a little extra “weedy” but I think I’ll try your tea bag and squeezer method.
Appreciate you and stay groovy!

I drink a lot of tea, so I put my decarbed MJ into new tea bags and place in my jar of oil or butter and cook it in my slow cooker for 4-8 hours. It’s the bomb on toast and in my green beans, ham and onions!

You are so right I used mesh bag and tied it as a tea bag. I also cooked it in the crockpot for 20 hours at a temp of 156-160. It turned out AMAZING thank you so much

Can I use unsalted Irish cream butter

Absolutely. (and that’s my favorite type of butter.)

Hi do I still need to add lethicin ?
Thank you in advance

Yes its The best butter to use, kellyegold unsalted

How long do I put it in the oven before I grind and put it in the crockpot?

Hey there Natalie,

It depends on what method you are decarboxylating with – take a look at our 3 mason jar decarb methods to get an idea. Primarily, no less than 45min. An hour seems to be ideal. We plan on getting ourselves a potency test kit soon and run a bunch of experiments on the best ways to decarb. Let me know if anyone finds interesting in such experiments, and we can expedite it.

Stay groovy out there,

Ok dumb question… I put the butter and the decarboxylated weed in the crockpot together to cook then strain it into the mason jars. I need specific instructions please. First time maker thank you…

Yup, that’s pretty much the steps. How’d it turn out?

The website LITERALLY gives clear instructions… Couldn’t be any clearer

Can I use coconut oil instead of butter?

Absolutely, and it’s the exact same steps.

Must you HAVE to decarboxylate the weed before you put in crock pot if you plan to cook for 8 hours on slow cook?

You don’t have to… but we highly suggest it. People do swear by the results of not decarbing with the long cook time and heat in the crockpot should technically do it. But take a look at these results over at and Ardent test showing the results of a decarbed vs non-decarbed infusion. Might change your mind.

I’m doing it inside of a Mason jar, Inside of a crockpot at 160 with water Should I put water in the jars?

Nope, no need! The water around the jar is all you need.

This makes no sense! 2 cups of cannabis is not 8grams. I followed this recipe and had to call an experienced cooker cause these measurements are horribly wrong. What am I missing? Am I reading it wrong?

Thank you! I was soooo confused about the quantity it states as clearly 2C does not equal 8g..

Are you referring to making the butter like that? Or, are you talking about decarbing?

This post is just about making the butter utilizing pre-decarbed cannabis.

Can I reuse the weed “sludge”with more fresh weed next batch?

Hey there James!

You know, we’ve heard of people using the “cannabis pulp” (we like to call cannapulp) for steeping tea, spreading on toast and even for a pesto or salsa. Never heard of it for a second go at a canna-infusion. Most of the time, your first infusion doesn’t extract 100% of the cannabinoids and terpenes, so no reason you couldn’t give it a go. The only worry would be dosing. No idea what percentage of the cannabinoids remain and adding in new decarbed flower will become difficult to measure. Otherwise, be sure to store it correctly and make sure it’s not spoiled on your next attempt.

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Let us know how it goes and stay groovy!

It’s also great in protein shakes, FYI!

Do I need to use no salt butter and why?

Salted or unsalted butter are both acceptable, Krissy. Ole folklore used to believe that if you used salted butter, you’d have less “room” to absorb all the cannabinoids into the butter since salt is already in there. That doesn’t seem to hold much weight, so salted or unsalted is just fine. We only prefer unsalted because some recipes call for unsalted and it’s pretty damn hard hard to take salt out of butter — much easier to add it into the recipe

Light up, breath out and stay groovy!

can u decarb weed at 180° F.

Hey there mr.mighbewrong (clever, but not to worry)

I’ll answer your 3 questions here.

You didn’t funk it up. We prefer slow and low here, but others live by 220 to 300° F (high and fast). The only way to funk it up would have been going into the 315-325° F — that’s when the THC activates (same as lighting a bowl). You would have burnt it off.

Light up, breath out and stay groovy!

Do I have to infuse the decarbed weed right away? Or can I store it a day or 2 before making my cannabutter?

Hey there Candy Kane. No need to use right away. We store our decarbed cannabis in a cool, dry place within a glass mason jar. Haven’t looked too deeply into exactly how long it will keep, but it should be quite a while. Only worry would be degrading potency of the cannabinoids and terpenes. As long as it’s dry, nothing dangerous should inflict it.
Light up, breath in, and stay groovy!

can u decarb weed at 180°F

When baking cookies most recipes call for baking at 375. Does that cause anything to burn off or should I bake at a lower temp for longer.

First time butter maker. I attempted with a small 2gram and 1 stick. Major fail. I didn’t decarb it. I’m trying to make this for pain relief. How much weed for 1 pound? And how much will be I. Each teaspoon of butter? We use a teaspoon of butter in our coffee and I thought this would be better than making a sugary treat (which my pre diabetic body can’t handle).

I was wondering the same thing! Also I heard if a receipe such as brownies calls for adding water…NOT to add water. Newbie bud here so im curious to learn before I bake also!!

I used water because I don’t trust my crock pot but now the water doesn’t seem to be separating out and my butter won’t solidify! Any idea why.

hmm.. the only time that’s happened to us we were testing not straining the herb from the butter and just placing it straight in the fridge. Did you strain out the leafy greens first? Have heard of people pressing cold butter/mixture to get out water too, but we haven’t tested this ourselves.

First timer here… How do you suggest the detox when using pure shake? Thanks much in advance

Do I have to check on it often or stir it after adding it into the crockpot or can I leave it?

I have made several batches of canna butter, experimenting with very fine strainers, cheesecloth,etc. I I have found the BEST way to retain the MOST amount of infused butter is to use a French coffee press! No mess, no fuss. Just use a lot of force to press is much liquid out of the flower as possible. Then that butter/ water mixture goes into the fridge to separate the water from the butter.

I’ve gone to set it into the fridge it’s a light brown green sludgey texture ( I have strained this ) will it be okay ??

How long does this cannabutter last ?

I don’t have any mason jars, how else can I do this in a crockpot

The best recipe ever. I just turned 73 years young and have tried many recipes since 1964. Love this by far. Thank you so much. So easy that I probably be using this cannabutter for everything! Well I will be using it always. Makes the best 420 NY cheesecake.oh happy daze!

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Can I leave it in the crockpot longer than 3 hours?

Yup. Should be just fine.

Hey guys. HOW is there info online that to decarb you go 225F in the oven but then in slow cooker not more than 200F or it will destroy the “high element”? isn’t that a freaking contradiction? what is the best temperature before it is too high? and why decarb if almost the same temperature is in the crockpot? do 10 degrees really make a difference?

MJ community really lacks logic, consistency and unity, that’s sad-i still think these are the smartest people out there. all the best friends!

Well aren’t you full of opinions and judgments…

Can you reuse the cannabis flower a couple times using this method.
I made brownies and they are way potent, trying to get more butter out of the flower if I can

i too am curious about the cooking heat for bake we need to adjust that or is thc held in or absorbed by the batter and surrounding ingredients as it cooks? Also a newbie!! i will say my first batch made very potent very tasty cookies so my guess is no it doesn’t matter
very informative page . TY

I’m a first timer. I used coconut oil. How long to I cool it before I strain it?

Hey there Janet. I tend to just wait until I feel comfortable with the temperature. No rule on this, I just don’t enjoy burning myself

Hi, I’m planning to make this recipe today, but I am making 28 grams worth. I noticed the recipe is for 8 grams, would it work for me to just triple or quadruple the recipe? Also, would I want to cook it for longer than 3 hours when using more material?

Thanks for the help and for the great content!

Hello. In regards to the decarbing… I have been making cannabutter since roughly 2001 (just giving an idea for reference of how many times I’ve made it since then). I don’t decarb, I didn’t even know that word existed Haha but what I do is use 4 sticks of butter for every half oz. of scraps, shake weed after harvesting seeds, older drier weed, lower grade weed, etc… I add the 4 sticks of butter to the crock pot on low and let melt and then I add the ground up weed. I let it sit on low/ medium depending on the strength of the particular crock pot and let sit without touching for roughly 6-8 hours. Afterwards I then pour(over a strainer) into a big plastic cup such as a “big gulp” cup from 711 or anything rubber/ plastic that can be squeezed after letting sit in fridge for 24 hours. Everything good in the cup, which becomes the butter, rises to the top which I then gently squeeze and remove. It will be about 1 to 2 sticks of butter in the shape of a disc at that point. Use as you would in any recipe. You can also adjust the amount of weed because I will say using this method you get SUPER POTENT BUTTER. So strong that I actually became frightened the first time after eating two cookies lol well good luck that’s my non decarb method because I think the heat in the crock pot does a decent job of activating the good stuff imo

How To Make Cannabis Oil In Your Slow Cooker

Oils with the highest fat content, such as olive and coconut, will absorb more cannabinoids (THC/CBD), resulting in higher potency. Canola oil also works well as it is mild in flavor and can be incorporated into many recipes. I choose to make my oil in a Crock-Pot. It’s a super easy method that requires very little baby-sitting.


1 to 1.5 ounces of dried cannabis (depending on quality/strength)

Pot or large bowl

Fine mesh strainer

1. Pour oil into the Crock-Pot.

2. Add cannabis and stir to completely cover herb with oil.

3. Heat on lowest setting for 3 hours.

4. Allow mixture to cool (8-9 hours).

5. Repeat heating and cooling process up to two more times for increased potency.

6. Pour the oil/herb mixture through the strainer and into your bowl/pot.

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