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The Craft Behind Draft Beer: How It’s Made from Start To Tap

by Kaia

Draft beer, also known as draught beer, is beloved by many for its fresh, crisp taste. It’s not just the tap that makes draft beer special, but the entire brewing process. Whether enjoyed in a bar, brewery, or at home, the journey from grain to glass is a fascinating blend of art and science. In this article, we’ll dive into the detailed process of how draft beer is made, from selecting ingredients to brewing and finally serving.

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Selecting the Ingredients

Draft beer, like all beers, begins with a few essential ingredients. These core ingredients create the flavors, textures, and aromas that beer enthusiasts enjoy. Each plays a critical role in the process, so quality is key.

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Water: The most abundant ingredient, water, impacts the beer’s flavor and character. The mineral content of water can vary from place to place, and many brewers adjust it to suit the style of beer they are making.

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Malt: Malt is usually made from barley, and it provides the sugars that yeast will ferment into alcohol. Different malts contribute different flavors. Some malts are roasted for darker beers, while lighter malts create beers with a more subtle, sweet taste.

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Hops: Hops are the flowers that give beer its bitterness, aroma, and stability. There are countless hop varieties, and brewers choose specific hops to create unique flavors and aromas, ranging from citrusy and floral to earthy and spicy.

Yeast: Yeast is the microorganism responsible for fermentation. It consumes the sugars from the malt and produces alcohol and carbon dioxide. Different strains of yeast can influence the beer’s flavor, from clean and crisp to fruity or spicy.

The Brewing Process

Once the ingredients are selected, the brewing process begins. This stage is where the flavors and characteristics of the beer are developed.

Mashing

Converting the starches: The malted barley is soaked in hot water to break down the starches into fermentable sugars. This process is called mashing and usually takes place in a large vessel known as a mash tun. The temperature of the water is crucial, as it affects the enzyme activity that converts the starches into sugars.

Creating wort: After the mashing process is complete, the liquid, now called wort, is separated from the grain husks. This wort contains all the sugars that will later be fermented into alcohol.

Boiling

Adding hops: The wort is brought to a boil, and hops are added at various stages. Early hop additions contribute bitterness, while later additions add more aroma and flavor. The boiling process sterilizes the wort and ensures that the hops’ essential oils are extracted into the liquid.

Cooling the wort: After boiling, the wort must be rapidly cooled to a temperature suitable for fermentation. Quick cooling is important to prevent unwanted bacteria from infecting the beer. Most brewers use a heat exchanger to cool the wort efficiently.

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Fermentation: Turning Sugars Into Alcohol

Once the wort is cooled, it’s transferred to a fermentation vessel where yeast is added, and the fermentation process begins.

Primary fermentation: During primary fermentation, yeast consumes the sugars in the wort, producing alcohol and carbon dioxide. This process typically takes several days to a week, depending on the style of beer and the fermentation temperature.

Secondary fermentation: Some beers undergo secondary

fermentation, where they are transferred to a new vessel for aging. This process helps refine the beer’s flavors and can remove any unwanted byproducts of fermentation. It can also help clarify the beer.

Conditioning: After fermentation, the beer is conditioned, allowing flavors to mature and develop. Some beers are conditioned in tanks, while others may be conditioned in the bottle or keg.

Carbonation: Getting the Fizz Right

Draft beer needs the perfect amount of carbonation to enhance its flavor and mouthfeel. This can be achieved naturally during fermentation or added later.

Natural carbonation: During fermentation, yeast produces carbon dioxide as a byproduct. This natural carbonation can be retained by sealing the beer in a closed container. However, most draft beers are force-carbonated to achieve the desired level of fizz.

Force carbonation: To achieve a consistent level of carbonation, brewers often force carbon dioxide into the beer while it’s in a keg. This process allows for precise control over the carbonation level, which is important for different styles of beer.

Filtration and Clarification

Before draft beer is ready for serving, it often goes through a filtration or clarification process.

Filtering the beer: Filtration removes any remaining yeast, proteins, or other particles from the beer, making it clearer and more visually appealing. Some brewers choose to leave the beer unfiltered for a more rustic appearance and flavor.

Clarification without filtering: Some beers are clarified using a process called fining. This involves adding substances that bind to unwanted particles and cause them to settle at the bottom of the vessel, leaving the beer clearer.

Kegging the Beer

Once the beer has been brewed, fermented, conditioned, and clarified, it’s time for it to be kegged.

Cleaning and sanitizing the kegs: Cleanliness is essential in the kegging process. Kegs must be thoroughly cleaned and sanitized before filling to prevent contamination that could spoil the beer.

Filling the kegs: The beer is carefully transferred into kegs, minimizing exposure to oxygen to maintain freshness. The kegs are then sealed and pressurized with carbon dioxide to keep the beer carbonated.

Serving Draft Beer

Now that the beer is kegged and pressurized, it’s ready to be served.

Tapping the keg: To serve draft beer, a keg is tapped using a special tap system that allows the beer to be drawn out under pressure. The tap is connected to a system that maintains the carbonation and ensures a smooth pour.

Draft system maintenance: Draft systems must be regularly cleaned and maintained to ensure the quality of the beer. Dirty lines or faulty equipment can result in off-flavors or improper carbonation.

Enjoying Fresh Draft Beer

The final step in the process is enjoying the beer. Draft beer is prized for its freshness and flavor. Many people prefer draft beer over bottled or canned varieties because it often has a smoother mouthfeel and more vibrant flavors due to its controlled carbonation and freshness.

The ideal pour: When pouring draft beer, the glass should be held at a 45-degree angle and slowly straightened as the glass fills. This creates a nice head of foam and prevents too much carbonation from being released.

Conclusion: The Art and Science of Draft Beer

From the selection of ingredients to the perfect pour, the process of making draft beer is both an art and a science. Each step, from mashing to kegging, contributes to the final product’s taste, texture, and aroma. Understanding how draft beer is made enhances the appreciation for the craft and care that goes into every glass. Whether you’re enjoying a pint at a brewery or pouring a cold one at home, draft beer continues to be a favorite for beer lovers around the world.

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