Almost every beer is made from the same four ingredients and a sequence of steps that turns grain into a drink. Here is how it works.
Nearly every beer is built from water, malt, hops and yeast. Brewers add other things, such as fruit, spices, wheat, oats or sugars, but these four do the core work. Changing the amount, type or timing of any one of them changes the beer, which is why so many styles can come from so few ingredients.
If you want to try the process yourself, our brewing classes are planned as a hands-on introduction, and the homebrewing for beginners guide covers the basics at home.
Brewing begins before the brewery, at the maltster. Barley is soaked and allowed to germinate so it develops enzymes, then it is dried by heat in a process called kilning. Kilning stops germination, makes the grain storable and develops malt flavor. Light kilning gives pale malt, and heavier kilning or roasting gives darker, toastier or roastier flavors.
Most breweries buy malt already prepared. What the brewer chooses from the maltster, in combination, is a big part of a beer's identity.
Step two: mashing. The malted grain is crushed and soaked in hot water in a vessel called a mash tun. During this mash, enzymes in the malt break starches into sugars, mainly maltose. The temperature of the mash influences how fermentable those sugars are, which affects dryness and body in the finished beer.
After the mash, the sweet liquid is separated from the spent grain. That liquid is called wort, pronounced like wert, and it is the sugary base the beer will be made from. The leftover grain is often used as animal feed or in other products.
The wort is boiled, which sanitizes it and helps stabilize the final beer. Hops are added during the boil. Hops added early contribute mostly bitterness, because boiling extracts bitter compounds. Hops added late, or after the boil, contribute more aroma and flavor, since heat drives off the delicate oils.
That timing is why two IPAs can taste so different: one may lean on early additions for firm bitterness, while another relies on late and dry hopping for fruity aroma. Our IBU and ABV guide explains how bitterness is measured.
After the boil, the wort is cooled before yeast is added, because hot wort would kill the yeast. Once the yeast is pitched, it takes a short time to acclimate and then starts fermenting, consuming sugars and producing alcohol and carbon dioxide.
How long this takes varies. Average ales can finish in a few days to a week, while stronger beers and lagers can take up to months. Temperature matters too: ale yeast likes it warmer and lager yeast prefers cooler conditions, a distinction explored in our styles guide.
Step five: conditioning and packaging. Many beers are conditioned for a period after fermentation. Flavors mellow, yeast and other particles settle, and carbonation can develop. Lagers get a cold-conditioning period known as lagering.
Finally the beer is packaged in kegs, cans or bottles, or poured to go in growlers and crowlers. Packaging is where freshness is won or lost, since oxygen exposure at this stage affects how long the beer lasts. See growler vs crowler for how that plays out at the taproom counter.
Each choice leaves a fingerprint. A higher proportion of roasted malt leads toward stout and porter. A long, cold lagering leads toward a clean pilsner. A big late hop addition leads toward a juicy IPA. Understanding the sequence turns a menu description into something you can predict.
It also explains why beer is a craft. Small variations in temperature, timing or ingredients show up in the glass, and consistency from batch to batch takes real attention. When you taste a beer in our taproom, you are tasting a sequence of decisions.
Water deserves more attention than it gets. Because beer is mostly water, the minerals in it can influence how malt and hops come across, and brewers sometimes adjust their water to suit a style. A water profile that suits a crisp lager is not necessarily right for a roasty stout.
Yeast is a living ingredient, and brewers manage it carefully. They choose a strain for the flavors it produces, add the right amount at the right temperature and keep conditions steady during fermentation. Healthy yeast makes clean beer, and stressed yeast can make off flavors.
Cleanliness underlies everything. Equipment after the boil has to be sanitized, because unwanted microbes can spoil a batch. Professional brewers spend a great deal of time cleaning, and homebrewers learn quickly that sanitation matters as much as any recipe choice.
Two brewers can start with the same four ingredients and produce beers that look nothing alike. The difference lies in proportion, process and timing. A recipe with a lot of pale malt and a clean yeast produces something light and crisp, while a recipe with roasted malt and a fruity yeast produces something dark and complex.
Even small choices matter. The length of the boil, the temperature of fermentation and the moment hops go in all leave marks on flavor. This is why brewers keep detailed records and why a beer can taste slightly different from one batch to the next. Taking a tour of the process, whether through a class or a taproom conversation, makes every pint more interesting.
Wort is the sugary liquid made by soaking crushed malt in hot water and separating out the grain. Yeast turns it into beer.
Hops provide bitterness to balance malt sweetness, plus aroma and flavor, depending on when they are added.
Ales can take from a few days to a week to ferment, while stronger beers and lagers can take up to months, plus conditioning and packaging.
Yes. Most beers are over 90 percent water by volume, which is why water chemistry matters to brewers.
Tell us what you are planning and we will reply with what we can offer and what we need to know next.