Instruction: Extract information from the supporting document to answer the given question.

Input:
Question: Can this be used to make cultured butter as that would increase the nutrition.
Document: I just bought this product at a local women's show. I used it today to make butter. It took about 3 minutes to shake. I like that the bottom screws off as a ramiken, so you can store the butter in it. When it's gone, screw it back on the bottle and shake another batch.You also get buttermilk as a bonus prize. I see buttermilk cornbread in my future!
Used this with cow milk and goat milk, does take some time, works fine but does not make much so if you just want to make a small amount its just what you need
Worked perfect. Love just plain old unsalted butter. My grandparents used to churn their own butter when I was a kid and I always loved it. My grandson did the shaking and we made butter. Very fast and easy.
It works fine but a pint canning jar would do just as well. You unscrew the bottom to get the butter out. The top has holes to strain out the liquid.
We just made our first batch of butter. We shook it for about five minutes. We just made the first batch plain, but added some salt.Oh. my. goodness. It is fabulous! And definitely would be a treat for guests by making fresh butter right then.Can't wait to start flavoring them soon.
I'll admit I was sceptical of the Chef'n Buttercup Butter Maker, but no more! This thing actually works. The pother reviewers have complained about the lack of instrctions, but it just isn't that hard. Put one cup of room temerature whipping cream in the barrel and shake for three minutes. Viola! Butter!You can buy shelf stable whipping cream at Trader Joes, which is what I used.
Bought this on a lark because I often end up with some left over heavy cream when cooking and it usually goes sour and is wasted. This works fine, albeit a mason jar would probably do as well for the making part if not the rinsing step which is very important as is esuring all the buttermik is removed from the butter since it will go sour. Surprising how impressed folks are when they learn you made the butter they are spreading on their roll.
While I found that a large glob of butter formed and sat in the ramekin base, a small rubber spatula would be all that you need to ensure that you have scraped every last wonderful bit of butter from the sides of the jar.For my first time, I chose to stir in about 1/4 tsp. of salt, but there are &#34;directions&#34; (I use the term loosely) for making honey butter (stir in 1 Tbsp.
We were skeptical of this but it sounded fun and we thought we would give it a try. As it turns out, it did not work for us. We tried several times but it would not work.
Anyway, making my own butter has had such good results that my friends and family want me to make it for them. I figured I'd give them this little device as a gift to encourage them to make their own. I'm glad to find this. It's also a good home &#34;science&#34; experiment for your kids.
Answer: I have no clue what cultured butter is.