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Grandma's Secret Stash Extract Recipe Kit


SKU# UB11040

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The intoxicating aromas and flavors of freshly baked oatmeal raisin cookies is surely a fond memory, and now that we are all grown up, why not craft a stout to reminisce? Pleasant, subtle aromas and flavors of raisin, cinnamon and vanilla engage with the velvety body of a traditional oatmeal stout to create an immensely pleasing and highly elaborate sipping experience. -

We strongly recommend ordering dry yeast in the summer months. We do include complimentary Cold Ice Packs with all liquid yeasts. However, it is difficult to guarantee that the ice packs will survive the trip, given transit times and particularly hot temperatures.

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Grandma’s Secret Stash

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  • Grandma’s Secret Stash
  • Grandma’s Secret Stash
Product Details
Just like grandma used to do, stash some of this delicious treat out of view and hoard it for yourself. The intoxicating aromas and flavors of freshly baked oatmeal raisin cookies is surely a fond memory, and now that we are all grown up, why not craft a stout to reminisce? Pleasant, subtle aromas and flavors of raisin, cinnamon and vanilla engage with the velvety body of a traditional oatmeal stout to create an immensely pleasing and highly elaborate sipping experience.


Slightly roasty nose with no hop aroma. Scents of vanilla, cinnamon and raisins are prominent.


Nearly jet black in color with deep garnet and ruby highlights, good clarity. Firm and persistent khaki-tan head forms easily and laces down the glass well.


Clean malt background flavors with a faint nutty and biscuity character are layered with a slightly chocolaty and roasty flavor. Moderate-low hop bitterness. Clean fermentation with subtle fruity esters. Flavors of cinnamon, raisin and vanilla persist in the finish.


Medium body with moderate carbonation. Low alcohol warmth with smooth creaminess and no astringency.

Overall Impression    

A complexly flavored stout with surprising flavors of freshly baked oatmeal raisin cookies.

Additional Information
Beer Kit Yield5 Gallons
Recipe and InstructionsClick Here for Grandma's Secret Stash Brewing Instructions
Regional StyleUSA
Original Gravity1065
Total Time to Make6 weeks
3.2 / 5.0
22 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Lovely stout, but careful with the Meyers.
I brewed this up in May as both my third batch and my first stout. My advise to new brewers on this one - use the bare minimum Meyers when soaking the raisins, vanilla and cinnamon. While i thought i was following instructions only just covering the ingredients in a glass, once i got to bottling i knew i used way to much Meyers as it was all i could smell. There is a happy ending to this story though, as the rum nose and flavor continues to subside as the bottles condition longer. Now a good 2 months out from bottling and the rum is slowly giving way to the vanilla and i suspect the raisins to make an appearance in the coming weeks. This is smooth and tasty and even with the rum nose offers an excellent dessert stout.
July 27, 2016
Grandma's Secret Stash
I have been brewing beer for over8 years and have never found a beer that I did not like or could not drink until (Grandma's Secret Stash). This beer is SO sour. And I followed the recipe exactly. Not sure f it's from the raisins or the dark rum but I do not recommend this beer to anyone. Even my friends did not like it. Not just me. I dumped over 4 gallons down the drain. :(
July 22, 2016
Response from Northern Brewer
Thanks for the review. Grandma does't like sour beer either, so she wanted us to make sure that you knew about our "Beer Kit Guarantee". The recipe is not intended to be sour at all. We want you to love the beer you brew. Customer Service will be in reaching out to you to see if we can help. Cheers!
November 21, 2016
Northern Brewer
Delicious MUST TRY Stout
I was somewhat skeptical of the idea behind this kit when I first saw it, but my father was taken by it, so I relented and ordered it as a gift to him. I fermented with Wyeast 1084, which took off like a rocket. I suggest buying Cruzan Estate Diamond Dark Rum. It is delicious on its own, but ended up adding wonderful characteristics to the raisins, spices, and overall brew. I aged for an extra week over the recipe in both secondary and after bottling. When I opened the first bottle, I was blown away. It really tastes just like an oatmeal rum raisin cookie, A must try, and I will definitely be ordering again. Can we get a chocolate chip cookie beer next Northern Brewer?
June 6, 2016
Not a Stout
This beer turned out to be a nice brown ale, but definitely not a stout. I have no idea how I messed up, since I followed the directions and had a kit. It tastes fine, but stouts are my favorite and that's not what I got.
November 28, 2016
This recipe kit is great. The only thing I changed was to put the raisins with the vanilla bean and cinnamon in the rum (Myer's Dark Rum), them added it to the secondary for 2 weeks. Great flavor and aroma. The only thing I might do next time is use an additional pound of oatmeal for more creaminess.
May 18, 2016
Very good
I figured I would give this a try and am very pleased with the result. I never would have guessed that raisins soaked in rum would be so delicious, I almost didn't have any left for the beer! I'm not very familiar with rum so I used Myers's but it turned out really well. This one goes over well with all of my friends as well.
July 18, 2016
After dozens of successful brews (mostly from Northern Brewer) we finally ran into a dud with this one. Doesn't have the color of the beer pictured and is really blah on taste. We're going to attempt to put more rum/vanilla in it, as you can't taste any subtle flavors at all. Will not be buying this one again.
December 27, 2016
1 year ago
Grandma's Secret Stash of Rum Flavored Beer
This was my fourth batch. Thought it would be good to try something with a different flavor. This was also the first time I used a yeast starter. The specialty grains smelled great while brewing. Finished at the right OG and definitely had the most vigorous fermentation I've had. I followed some of the advice in the Q's section of the website and waited to add the rum soaked raisins with the vanilla bean and cinnamon about 6 days before bottling. Used Myer's Dark Rum and only 4 oz of it. Actually dumped the rum out after soaking the raisins, vanilla beans, and cinnamon and then added them to the beer. Beer finished just under 1.02 FG. Bottled it and waited 14 days to try it. Unfortunately the first two I've had don't taste like cookies but it tastes like someone poured rum in my beer. There's a hint of raisin but no biscuity or vanilla flavor. Kind of a let down, but maybe I screwed it up? Hence the 3 stars as it smelled great when boiling. Also to note NB may want to include storage instructions for the vanilla bean, it lost a little of its smell from when I first received the kit to when I added it to the beer a month later.
September 1, 2016
Delicious, will buy every year for Christmas
Amazing!!! This beer tastes like the best Christmas Rum cake you have ever had! We had a party and this brew dissolved on us because even beer haters loved it!
December 26, 2016
1 year ago
Bad secret grandma
Sour beer! Grandma can keep this one! Follower the recipe to a tee and I was very disappointed in the outcome. The color was even off from the description. What waste of good rum!
December 18, 2016
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 8 questions Browse 8 questions and 13 answers
What is the projected FG of this beer?
A shopper on Oct 21, 2017
BEST ANSWER: I brewed the extract version of this in August 2016. My OG was 1.050 which was lower than expected, but the grains were very tightly packed and I don't believe the water was freely able to circulate through. My FG was 1.012 after two weeks for an abv of 5.0%. Was quite enjoyable.
I have to admit, I'm not much of a rum drinker so I'm completely at a loss as to what kind of "dark rum" I should be picking up for this. Does anyone have any suggestions that won't break my wallet? I imagine that going with a spiced rum would be a bad idea, so I guess I'm looking for a good flavored dark one. Any help or advice would be appreciated, thanks!
M C on Apr 21, 2016
BEST ANSWER: $13.00 for Myers's original dark rum
I see the raisins are dumped into the pot during the last 5 min or so of the boil. Doesn't seem enough time to get full flavor out of them. Are we supposed to move the raisins over to the fermenter bucket or dispose of them after the boil?
Todd S on Apr 17, 2016
BEST ANSWER: As the instructions are written, I don't think it's intended to move them to the fermenter; but if they were contained in a small mesh bag or similar way you could surely toss them into the fermenter if desired, to get more flavor out of them. Be careful handling it, it must remain sterile if it's going into the fermenter. -Mike W, Northern Brewer
Not very knowledgeable on Rums. Do you know if a Gold or Spiced would work as well or better? I went out to two different stores and could only find those two types. I would look harder if you thought the Dark was really the best investment for this six week project.
Todd S on Apr 13, 2016
BEST ANSWER: I would say go with the gold rum and stay away from the spiced. What I believe we are looking for is strong rum flavor as that is what dark rum (aged) gives off. I was able to get Zaya Grand Reserva from my local liquor store but they tend to have almost everything. I tried looking at the grocery store but they didn't have any dark rum. I still have a little over a week left of fermentation so I don't know how the final product will turn out but it smells delicious. To reiterate stir clear of the spiced rum and go with a good quality gold rum if you can't get dark. Hope this helps! Cheers & 17
How much cinnamon do you use in the Secondary fermentation with the vanilla beans ?
W H on May 2, 2016
BEST ANSWER: 1 ounce of cinnamon is included in this kit. Cheers!
Is black rum the same as dark rum? And what dark rum do you recommend? I see you said you used 100 proof captain for pilot batch, but captain isn't a dark run but it is spiced rum, so kind of confusing.
James J on Apr 24, 2016

Thank you for you question. I would probably go with something like the Kraken myself.

What is the target OG? And how will the rum effect it?
L A on Apr 11, 2016
BEST ANSWER: A: The OG should be near 1.065; and the rum added to the fermenter late in the secondary will add alcohol, of course, and flavor, but it won't raise the FG, but lower it some, due to the higher alcohol content than the beer has. The rum addition will not affect the overall ABV much, though, in a 5-gallon batch, it just bumps it up slightly. -Mike W, Northern Brewer

From customer Jim Clark:

The instructions indicate that the OG should be 1.065. Mine was observed at 1.057, which I believe is more on target. if you use the formula 6.3 lbs of LME *.0076 + 1 lb DME at .0084 yields an OG of 1 + .056. As for the rum, if it is added to the original fermenter, it will decrease the original gravity as the specific gravity of dark rum is .something like .952, but in such small amounts this should be pretty negligible. Assuming normal fermentation one would expect the final gravity to be lower, so the AVB would be ever so slightly higher???
Had a couple of questions regarding this brew, after soaking the raisins, vanilla and cinnamon into the rum, do we dump the rum into the beer as well or just the items themselves?
B H on Apr 1, 2016
BEST ANSWER: Yes, you would dump the rum into the beer as well.

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