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Boerderij_Kabouter 08-11-2009 04:07 PM

Pumpkin beers: Discussion, developing recipes, tips tricks, and a good practices
 
It is that time of year... Fall is approaching and pumpkin beer is on our minds.

I thought it would be good to have a collective thread for us to discuss pumpkin beers, and all our respective recipes.

To start, here is a great article to read about using pumpkin:
Brew Your Own: The How-To Homebrew Beer Magazine - Brewing with Pumpkin: Tips from the Pros -

Quote:

Brewing with Pumpkin: Tips from the Pros
Author: Thomas J. Miller
Issue: October 2001
Online Date: Monday, 24 September 2001


Brewer: John Tully of Lakefront Brewery in Milwaukee, Wisconsin. John completed a course at Siebel in 1996 and joined Lakefront in 1999 as head brewer.

"Our malt bill makes the base beer used in our pumpkin beer something between a pale ale and an amber lager. In other words, itís a slightly amber-colored pale ale, but we ferment it as a lager.

The hops we use are Mt. Hood, and we target a very low bitterness profile. About 12 IBUs. We want just enough hops to counteract the sweetness from the malt, but we donít want to overwhelm the spices, which contribute to this beerís unique flavor.

We use canned pumpkin in five-pound cans. Theyíre easy to get. Homebrewers can find something similar in their grocery store, but probably in smaller sized cans. We use about one hundred pounds of pumpkin in a fifty barrel batch. Thatís only about .064 pounds per gallon, so a five-gallon batch of homebrew would need roughly one-third of a pound of canned pumpkin. (With fresh pumpkin, you'd use more because it's not as concentrated.)

We add the pumpkin during the mash. We have experimented with this a lot over the years. For a while we thought we could pre-boil the pumpkin, kind of to gelatinize it and make it more manageable in the mash-tun, but it ended up making no measurable difference. So now we just add it straight into the mash-tun, and leave it in for the total length of the mash.

Pumpkin makes for a tough mash. Itís necessary to constantly rake the top of your mash because the pumpkin forms a gelatinous layer that stops the sparge water from flowing through.

Once weíre in the kettle weíre adding the hops, plus cinnamon, nutmeg, and pumpkin pie spice, which is a proprietary mix from a local spice house. For a fifty barrel batch weíre adding three-and-a-half pounds of cinnamon, one pound of nutmeg, and five pounds of pumpkin pie spice. (For a five gallon batch, this equals only .016 pounds of pumpkin pie spice, .011 pounds of cinnamon, and .003 pounds of nutmeg.) Obviously, the spices you add are very limited in quantity.

After the boil we whirlpool and let it sit a bit longer than normal so that the spices settle out. Then we transfer over to the fermenter. Some of the spices will go with it, but we donít worry about that. It will settle out during fermentation anyway, and will not hurt the brew. We use a German lager yeast from White Labs."

Brewer: Geoff Harries of Buffalo Billís Brewery in Hayward, California.Geoff homebrewed from 1981 to 1987. He became the head brewer at Buffalo Billís from '87 to '89, then the GM and head brewer at Brewpub on the Green from '90 to '93. He bought Buffalo Billís and is now the owner and head brewer.

" Our pumpkin beer is brewed at several locations for us, but one definite rule is that we always use fresh, whole pumpkins. The kinds vary depending on the season and what is ripe, but we like to use Atlantic Giants and Big Macs. Both are jumbo in size and have lots of fiber. Especially the fiber makes for easier mashing.

We roast the pumpkins, since a raw pumpkin is really nothing but a squash and if you try to use them raw, nothing comes out of them. Roasting converts some of the starch inside the pumpkin, and lets us extract sugars and sweetness. We cook them to the point where theyíre kind of doneómaybe a little brown around the edges, just when they are starting to caramelize. But we donít want them turned to mush. Since pumpkins come in all different sizes, cooking times will vary. Once they are ready we cut them open and pull out the seeds.

For six-and-a-half barrels, we use about thirty pounds of pumpkins, though this will depend greatly on the pumpkin. This is a bit more than one-half pound for a five gallon batch, but once you start brewing youíll realize you donít want that much pumpkin anyway. Remember, this is a beer, not a vegetable beer. The pumpkin is there to complement the malts, not take them over. Besides, too much pumpkin makes for a tough sparge.

We always experiment with the base beer, but itís generally a red ale/amber beer. We are looking for something with an orange to red hue. All the color in the beer comes from the malt. None comes from the pumpkin.

We go through the standard sparge. We have had trouble with this stage in the past, and what we have discovered is if you overcook the pumpkin it gets all mushy and causes the stuck mash. So, itís important to not over roast.

Hops should be low-key. Be subtle, just to balance the malt sweetness. You donít want the beer to be bitter. Think pumpkin pie in a glass, and shoot for that flavor profile. The dominant character will be the up front malt flavor, followed by a finish that highlight the spices of cinnamon, nutmeg, and clove. And speaking of spices, we use whole spice. This year weíll put them in a big sparge bag, and then hang them in the conditioning tanks, after the boil. This is the way to get that nice, spiced character because itís kind of like dry-hopping."

Brewer: Brett Vanderkamp of New Holland Brewing Company in Holland, Michigan. Brett took the Siebel brewing course and opened New Holland in July 1997.


"The first thing to remember with pumpkin beer is that itís going to be a long brew day. The way pumpkin is used in the brew plays a big role in what kind of troubles youíll have making it, and the ultimate flavors you will get, but it is a difficult brew. If you put the pumpkin in the kettle and boil it, youíll get some pumpkin flavor and body, but not as much as if you had put it in the mash. Plus, you get everything that comes with it, the good and the bad.

In the mash, youíll get all the by-products of the pumpkin youíre looking for. Flavor, body, some fermentable sugars. This is the good stuff. We put our pumpkin in the mash-tun but, of course, this method comes with a cost. That cost is the mash youíre going to deal with. Pumpkin is sticky as hell in the mash and a pain in the butt to run-off. Count on needing two to three times as much time to run-off the wort to the kettle.

We use rice hulls in the mash and this helps a little, though the mash still gets gummed up. The rice hulls provide more husk material to make the bed more porous, but they donít add flavor to the mash.

Initially we used fresh pumpkin but after some experimentation we found we got better results from canned pumpkin. Now thatís all we use, and it requires much less labor. When youíre brewing large batches, cutting up fresh pumpkins is too much extra work. Homebrewers could probably go for it though.

We add the pumpkin at mash-in and use about 400 pounds of pumpkin for a 1600 pound grain bill. Thatís about twenty-five percent of the total grain bill. Iíd suggest that for homebrewers itís better to start off doing pumpkin beers with less pumpkin than more. This way they can get used to what they are doing and the impact that pumpkin has on the beer.

We use Mt. Hood hops, which is a Hallertau seedling. We hop lightly, just under 20 IBUs. There are two strikes, one at 30 minutes and one at 75 minutes. The latter hopping adds only a touch of flavor and aroma, but not much.

More important are the spices. We use ginger, cinnamon, nutmeg, and cloves. I recommend spicing with 30 or less minutes left in the boil. Add it before this and youíll boil away flavor and, most importantly, aroma. Then we pitch with American ale yeast and ferment at standard ale temperatures (around 70 degrees Fahrenheit, 21 Celsius)."

Boerderij_Kabouter 08-11-2009 04:12 PM

Boerderij Kabouter's Pumpkin Beers 2009
 
Here are my two recipes I am developing and will be brewing this weekend. I am not settled on which will be my pick yet.... thoughts?

Quote:

Recipe: Pumpkin Lager I
Brewer: Justin S. Talbot
Asst Brewer: Paul Jacquart
Style: Spice, Herb, or Vegetable Beer
TYPE: All Grain

Recipe Specifications
--------------------------
Batch Size: 11.00 gal
Boil Size: 13.82 gal
Estimated OG: 1.054 SG
Estimated Color: 6.4 SRM
Estimated IBU: 22.3 IBU
Brewhouse Efficiency: 78.00 %
Boil Time: 90 Minutes

Ingredients:
------------
Amount Item Type % or IBU
MALTS
1 lbs 8.0 oz Rice Hulls (0.0 SRM) Adjunct 6.67 %
9 lbs Pilsner (Rahr 2 Row) (1.8 SRM) Grain 40.00 %
6 lbs Munich Malt (Durst) (9.0 SRM) Grain 26.67 %
6 lbs Vienna Malt (Briess) (3.5 SRM) Grain 26.67 %
4.00 lb Pumpkin (Mash 1.0 hours) Misc
HOPS
5.45 oz Hallertauer Hersbrucker [2.50 %] (60 min)Hops 22.3 IBU
SPICES
0.05 oz Ginger Root (Boil 1.0 min) Misc
0.05 oz Ginger Root (Boil 30.0 min) Misc
0.05 oz Nutmeg (Boil 1.0 min) Misc
0.10 oz Nutmeg (Boil 30.0 min) Misc
0.20 oz Cinnamon Stick (Boil 30.0 min) Misc
0.20 oz Pumpkin Pie Spice (Boil 1.0 min) Misc
0.20 oz Pumpkin Pie Spice (Boil 30.0 min) Misc
0.22 oz Cinnamon Stick (Boil 1.0 min) Misc
2.20 tbsp PH 5.2 Stabilizer (Mash 60.0 min) Misc
2.20 items Whirlfloc Tablet (Boil 15.0 min) Misc
2.20 tsp Yeast Nutrient (Primary 3.0 days) Misc
YEAST
2 Pkgs Pilsen Lager (Wyeast Labs #2007) Yeast-Lager


Mash Schedule: Hochkurz Decocotion
Total Grain Weight: 22.50 lb
----------------------------
Hochkurz Decocotion
Step Time Name Description Step Temp
15 min Protein Rest Add 31.50 qt of water at 140.9 F 133.0 F
40 min Maltose Rest Add 9.00 qt of water at 187.5 F 144.0 F
40 min Dextrinization RestDecoct 9.79 qt of mash and boil it 158.0 F
8 min Mash out Decoct 9.68 qt of mash and boil it 169.0 F
And number 2:

Quote:

Recipe: Pumpkin Lager II
Brewer: Justin S. Talbot
Asst Brewer: Paul Jacquart
Style: Spice, Herb, or Vegetable Beer
TYPE: All Grain
Taste: (0.0)

Recipe Specifications
--------------------------
Batch Size: 11.00 gal
Boil Size: 13.82 gal
Estimated OG: 1.053 SG
Estimated Color: 6.9 SRM
Estimated IBU: 17.3 IBU
Brewhouse Efficiency: 78.00 %
Boil Time: 90 Minutes

Ingredients:
------------
Amount Item Type % or IBU
MALTS
16 lbs Pilsner (Rahr 2 Row) (1.8 SRM) Grain 72.73 %
3 lbs Munich Malt (Durst) (9.0 SRM) Grain 13.64 %
12.0 oz Caramel/Crystal Malt - 40L (40.0 SRM) Grain 3.41 %
8.0 oz Biscuit Malt (23.0 SRM) Grain 2.27 %
4.0 oz Caramel/Crystal Malt - 20L (20.0 SRM) Grain 1.14 %
4.00 lb Pumpkin (Mash 1.0 hours) Misc HOPS
4.20 oz Hallertauer Hersbrucker [2.50 %] (60 min)Hops 17.3 IBU
SPICES
0.05 oz Ginger Root (Boil 1.0 min) Misc
0.05 oz Ginger Root (Boil 30.0 min) Misc
0.05 oz Nutmeg (Boil 1.0 min) Misc
0.10 oz Nutmeg (Boil 30.0 min) Misc
0.20 oz Cinnamon Stick (Boil 30.0 min) Misc
0.20 oz Pumpkin Pie Spice (Boil 1.0 min) Misc
0.20 oz Pumpkin Pie Spice (Boil 30.0 min) Misc
0.22 oz Cinnamon Stick (Boil 1.0 min) Misc
2.20 tbsp PH 5.2 Stabilizer (Mash 60.0 min) Misc
2.20 items Whirlfloc Tablet (Boil 15.0 min) Misc
2.20 tsp Yeast Nutrient (Primary 3.0 days) Misc
YEAST
2 Pkgs Munich Lager (Wyeast Labs #2308) Yeast-Lager



Mash Schedule: Hochkurz Decocotion
Total Grain Weight: 22.00 lb
----------------------------
Hochkurz Decocotion
Step Time Name Description Step Temp
15 min Protein Rest Add 30.80 qt of water at 140.9 F 133.0 F
40 min Maltose Rest Add 8.80 qt of water at 187.5 F 144.0 F
40 min Dextrinization RestDecoct 9.57 qt of mash and boil it 158.0 F
8 min Mash out Decoct 9.47 qt of mash and boil it 169.0 F
Both of these are dococted lagers.

Well let the discussions begin. Please post your recipes and give others good feedback!

:mug:

Reverend JC 08-11-2009 04:17 PM

The best pumpkin beer I have ever had was used making sweet potatoes. It imparts that same pumpkin flavor without mess in the fermenter. You cub up some sweet potatoes and spice them up the bake them. Giving them a nice caramely cooked outside is very nice.

Boerderij_Kabouter 08-11-2009 04:19 PM

Interesting idea with the sweet potato...

Links to other pumpkin beer threads:

http://www.homebrewtalk.com/f85/pump...rewday-131354/

http://www.homebrewtalk.com/f12/pump...mpkins-131542/

http://www.homebrewtalk.com/f12/dogf...in-ale-130923/

http://www.homebrewtalk.com/f12/pump...stions-130568/

http://www.homebrewtalk.com/f12/jake...kin-ale-78696/

http://www.homebrewtalk.com/f12/swee...o-beer-112093/

http://www.homebrewtalk.com/f12/purs...ection-128105/

http://www.homebrewtalk.com/f12/pumpkin-porter-83429/

http://www.homebrewtalk.com/f12/you-...kin-pie-15137/



Recipes from our database:

http://www.homebrewtalk.com/f76/thun...ersions-26699/

http://www.homebrewtalk.com/f76/mapl...kin-ale-24249/

http://www.homebrewtalk.com/f76/rich...kin-ale-23489/

http://www.homebrewtalk.com/f76/pa-pumpkin-ale-93123/

http://www.homebrewtalk.com/f76/h-b-pumpkin-ale-90454/

http://www.homebrewtalk.com/f76/rhoo...kin-ale-87517/

http://www.homebrewtalk.com/f76/my-f...in-beer-82710/

http://www.homebrewtalk.com/f76/grea...pie-ale-78995/

http://www.homebrewtalk.com/f76/roas...nal-ale-74473/

http://www.homebrewtalk.com/f76/joll...kin-ale-68391/

http://www.homebrewtalk.com/f76/punkin-spice-52389/

http://www.homebrewtalk.com/f76/roas...kin-ale-44247/

http://www.homebrewtalk.com/f76/spic...nny-ale-27184/

http://www.homebrewtalk.com/f76/st-f...kin-ale-24854/

Edcculus 08-11-2009 04:22 PM

Any reason for a lager? I think the spices might stand out too much in a clean beer. Thats really why I detest most spiced "Christmas" beer.

I've only brewed one pumpkin beer. It was a Scottish Ale base with pumpkin in the mash and the traditional spices. It was great. The maltiness of the Scottish Ale really accentuated the pumpkin spices. I'm thinking a Pumpkin Dunkelweizen might be good too.

I used canned pumpkin in the mash. Honestly, I don't see a reason not to use canned. If you look on the ingredients, the only thing listed is "pumpkin". Sounds ok to me. If you want to use the real thing, make sure not to use the run of the mill "Jack-O-Lantern" pumpkin. They arent the sweet pumpkin used in pies.

I really don't know what the actual pumpkin added to my flavor. I'm sure more of it came from the spices. It probably added some body. It sure makes for a sticky mash. Make sure to use rice hulls liberally. If I do another one, I'll probably use it just so I can call it a pumpkin beer.

Finally, I stayed away from "pumpkin pie spice". It has some extra anti clumping agent I wasn't so sure about. I used Nutmeg, ginger, cinnamon and allspice. When I get home, I'll look up the recipe.

Revvy 08-11-2009 04:27 PM

I'll just add the link to how I did mine last year, and how I hope to do mine again this year, if I can get it together.

http://www.homebrewtalk.com/f36/lets...ne-mash-74927/

This year I plan on upping the spices and adding pumpkin to the mash.

Boerderij_Kabouter 08-11-2009 04:34 PM

Quote:

Originally Posted by Edcculus (Post 1481356)
Any reason for a lager? I think the spices might stand out too much in a clean beer. Thats really why I detest most spiced "Christmas" beer.


My wife really loves Pumpkin beer in the fall and her favorite is usually Lakefront brewery's offering. They change the recipe every year but it is always a lager.

So that is what I will try this year.

The spices will only be overpowering if you add too many. :D

:EDIT: Thanks Revvy!!!

Boerderij_Kabouter 08-11-2009 04:39 PM

Do This, Not That
 
Give me suggestions and I will update this.

When using pumpkin in beer...

DO
1. allow a LONG time for your lauter, it will be comically slow
2. use a bunch of rice hulls
3. bake the pumpkin first if you are using fresh pumpkin, then use it in your beer.
4. consider using some 6-row barley for more conversion (diastatic) power
5. start brewing your pumpkin beer EARLY. They can take a while to blend the spice and pumpkin notes seamlessly with the base beer.
6. use later additions to maintain the aroma of any spices (under 30 minutes, I split my additions between 30 minutes and 5 minutes)
7. use a secondary or a clearing tank to remove the large amount of trub this beer will throw

DON'T
1. use your pump to transfer wort from the mash to the boil kettle, it WILL compact the bed
2. use jack-o-lantern style pumpkins, use a baking pumpkin
3. brew a pumpkin beer for your first AG batch
4. brew your beer in the beginning of October and expect to drink it for Halloween
5. combine pumpkin in the boil with whole hops, the ensuing sludge is not manageable

Boerderij_Kabouter 08-11-2009 04:39 PM

I am going to do a decoction mash this year in the hopes that I will get more out of the pumpkin and that my lauter will be significantly easier. Any one think that is a good or bad idea?

thedigitale 08-11-2009 04:42 PM

I use at least some 6 row in my pumpkin ale. It's higher diastatic power helps with the conversion of the pumpkin.


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