Welcome to

The Research & Development Department of
Glewwe Castle Brewery, 
Prior Lake, Minnesota USA

Home Made Root Beer since 1994

We  have been making home brewed beverages since 1994.  In the Spring of 2004, we were approached by the Prior Lake Farmers Market to sell our Root Beer.  Our product has also been available at various craft fairs.  Ask to be on our distribution list and we will gladly keep you informed of future sales.

Current Products

Root Beer

Our flagship product is root beer.  It is a creamy blend made from 2 different concentrated extracts (root beer and birch beer).  After a few years of experimentation, this recipe was settled upon in 1998.

Cream Soda

Many folks have liked the creaminess of our root beer and wondered how we would do with cream soda.  We solicited feedback on several recipes during the winter of 2005 and have settled on one.  It is available now, but will have its grand introduction in May 2005 with the opening of the Prior Lake Farmer's Market.

Orange Soda

The household matron and son are fond of Orange Soda.  We experimented during the winters of 2005 and 2006.  Erik eventually overcame our quality control problems and we have another hit and have sold it regularly beginning with the 2007 farmers market.  As with the other flavors, this is special with vanilla ice cream.

Ginger Ale

The head brewer is also fond of Ginger Ale (but likes to taste the ginger).  Made up primarily of lemons, limes, and ginger, the aroma has tended to overwhelm the rest of the family - and makes a very strong ginger flavor.  We refined the recipe to our satisfaction in 2010.  And also have two variations to satisfy others: Raspberry Ginger Ale (to hide the strong ginger aspect) and Ginger Beer for those that want even more ginger kick.

Black Cherry

The apprentice has put in his preference to perfect a Black Cherry soda.  A blend of Black and Sweet Cherry, with a touch a citric acid to accentuate the sweetness.  Introduced in 2012 and quite nice.


Besides the classic long neck beer bottles, we bottle in pint and liter swing-top bottles for folk that want larger resealable containers.  Inspired by Grolsh beer and French cider and the old milk bottle return policies of our parents, we have proudly done this since 2007 at the farmers markets.

Current Development

Please Note:  The original recipe took four years to perfect,
so don't look for immediate results from our laid back development process.

Low Calorie/Carb Root Beer

The head brewer was diagnosed in October of 2003 as being diabetic, so he is slightly motivated to find a low calorie (if not diet) root beer that closely meets the satisfying nature of our root beer.  The first taste tests were held on early July of 2004.  Research continues.  Low calorie sweeteners leave much to be desired.

Chocolate Soda

Our good friends from Lititz Chocolate Walk have asked us to work on a chocolate soda.  Sounds kind of different, eh?  But some research tells us that Chocolate Soda was popular during the dark days of Prohibition.  So at least there is some hope.  So far, we have tried several options, but have not found anything that seems promising.  And the annual walk is coming up in October.  Yikes!!


Future Development

Bottle Carriers

We are looking for a plain white bottle carrier for our large bottles. Or if we win the lottery, maybe carriers with our own logo on it.  Then again, we would need to develop a logo.

Promotional Items

We are always looking at items like bottle openers, aprons, shirts, and glassware.

Contact us with your suggestions and let us see if we can help.

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Last modified July, 2016
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