Monday, September 14, 2026 Issue · Vol. 12 · No. 8
Today's Brew
Freshly curated stories
NAV: Home Coffee

Coffee

All stories in Coffee — freshly updated.

What is the purpose of the exhaust valve on coffee bags? Can you squeeze it to smell the aroma?
Coffee

What is the purpose of the exhaust valve on coffee bags? Can you squeeze it to smell the aroma?

Squeeze it, pinch it, and so much fragrance will spray out. Many people may have observed that when customers purchase coffee beans, they will first put their nose close to the only hole in the packaging bag, squeeze the bean bag with their hand, and smell the gas squeezed out from the hole. Have you read "Why doesn't coffee taste as good as it smells?"

Jul 29, 2023 · By FrontStreet Coffee · 31 reads · #coffee packaging #exhaust valve #aroma #fresh coffee #degassing
Expressing Pour-Over Coffee Grind Size: How to Distinguish Fine and Coarse Sugar
Coffee

Expressing Pour-Over Coffee Grind Size: How to Distinguish Fine and Coarse Sugar

From beginning to end, we've never had a clear description for the coarseness of grind size. Therefore, when people discuss grind size, various expressions emerge. Some describe it using "fine sugar," others prefer using the grind setting numbers on their equipment, and some, like FrontStreet Coffee, use sieve retention rates to express it. Although these methods

Jul 29, 2023 · By FrontStreet Coffee · 30 reads · #coffee grind size #pour-over coffee #brewing methods #coffee preparation
Step-by-Step Tutorial: Master Shaken Iced Latte in Minutes
Coffee

Step-by-Step Tutorial: Master Shaken Iced Latte in Minutes

As mentioned in the previous article, once ice melts, iced latte's flavor and texture can significantly diminish, lacking the velvety smoothness of hot latte. That's why FrontStreet Coffee teaches you to add one extra step when making iced latte: shaking! Using external force to create foam by shaking the coffee with milk not only preserves the coffee's original rich

Jul 26, 2023 · By FrontStreet Coffee · 26 reads · #iced latte #shaken coffee #cold coffee #barista techniques #coffee tutorial
How to Make Iced Caffè Latte at Home? What's the Right Ratio of Ice, Milk, and Coffee?
Coffee

How to Make Iced Caffè Latte at Home? What's the Right Ratio of Ice, Milk, and Coffee?

When customers ask how to make iced latte, FrontStreet Coffee answers like this: It's very simple, just like "how to put an elephant in a refrigerator," divided into three steps: add ice, pour milk, pour coffee, and it's done! Just kidding, what this friend really wants to ask is probably why, even using the same coffee beans,

Jul 26, 2023 · By FrontStreet Coffee · 35 reads · #iced coffee #caffè latte #coffee ratio #cold brew #homemade coffee
Why Doesn't Coffee Taste as Good as It Smells? The Nature of Coffee Aroma and Fragrance Compounds
Coffee

Why Doesn't Coffee Taste as Good as It Smells? The Nature of Coffee Aroma and Fragrance Compounds

When we walk into a coffee shop, we're easily captivated by the rich aroma of coffee permeating the air. Especially when coffee beans are being ground, the intoxicating fragrance fills the space, making our hearts race and compelling us to eagerly order a cup to experience coffee's magnificent aroma. However!!! The moment the coffee touches our lips???????? What is this?

Jul 25, 2023 · By FrontStreet Coffee · 27 reads · #coffee aroma #fragrance compounds #taste versus smell #coffee chemistry
Espresso Channeling and Extraction Gushing: What to Do
Coffee

Espresso Channeling and Extraction Gushing: What to Do

Normally, when extracting espresso, the flow rate should gradually increase from slow to fast. FrontStreet Coffee has noticed that some friends encounter this situation: after pressing the extraction button, coffee liquid suddenly gushes out forcefully, then immediately slows down, with the liquid stream becoming very thin. The flow rate is completely reversed from the normal pattern.

Jul 25, 2023 · By FrontStreet Coffee · 48 reads · #espresso #channeling #extraction #gushing #coffee brewing
Why Pour-Over Coffee Should Be Served Hot: Coffee Concentration Meter Testing at Different Temperatures
Coffee

Why Pour-Over Coffee Should Be Served Hot: Coffee Concentration Meter Testing at Different Temperatures

Summer has arrived, and customers visiting FrontStreet Coffee for pour-over coffee are increasingly inclined toward iced pour-over. However, when we understand that customers want to truly experience a particular bean and fully appreciate its flavor profile, the barista at FrontStreet Coffee still recommends trying it hot. Why should we drink it hot to fully appreciate the flavors? What is the reason behind tasting coffee at different temperatures?

Selecting Coffee Beans for SOE: Which Region's Beans Are Best for Single Origin Espresso?
Coffee

Selecting Coffee Beans for SOE: Which Region's Beans Are Best for Single Origin Espresso?

Since the emergence of the "specialty coffee" concept, the unique flavors of various producing regions have become increasingly familiar to coffee connoisseurs. As SOE (Single Origin Espresso) continues to gain popularity in the coffee market, how do you choose the right SOE coffee beans? SOE stands for "Single Origin Espresso" and represents a refined approach to espresso that highlights the distinctive characteristics of beans from a single geographic origin.

What is Milk-Extracted Coffee? How to Make Cold Brew Coffee with Milk?
Coffee

What is Milk-Extracted Coffee? How to Make Cold Brew Coffee with Milk?

Recently, FrontStreet Coffee was surfing the internet and discovered a coffee brewing method called "milk-extraction," which some have described as "a gospel for cold brew iced milk coffee lovers." Today, let's recreate it~ What is milk-extracted coffee? As the name suggests, milk extraction is the process of replacing the water in cold brew coffee with fresh milk, brewing in a low-temperature environment

Jul 21, 2023 · By FrontStreet Coffee · 28 reads · #milk-extracted coffee #cold brew #milk brew #coffee brewing methods #dairy coffee
The Difference Between Honey Process and Natural/Washed Processing: What is Raisin Honey Process?
Coffee

The Difference Between Honey Process and Natural/Washed Processing: What is Raisin Honey Process?

Before truly understanding "Honey Process," did you ever think it involved fermenting coffee beans with honey? Actually, it's a processing method介于 between natural and washed processing. Since the popularity of honey processing, a method called Raisin Honey Process has emerged. Today, FrontStreet Coffee will briefly discuss this with everyone.

Why doesn't the coffee bed form a
Coffee

Why doesn't the coffee bed form a "hamburger" shape during pour-over blooming? Detailed guide to blooming water pouring techniques

When brewing freshly roasted coffee, watching the coffee grounds expand with hot water to form a rounded dome releasing gases is one of the great pleasures for many pour-over enthusiasts. When the coffee bed doesn't expand during the blooming stage, or even sinks "inward," we start wondering if something went wrong. Will this coffee taste good? Why does the bloom

Jul 20, 2023 · By FrontStreet Coffee · 28 reads · #pour-over coffee #blooming technique #coffee extraction #coffee brewing #coffee bed
What is the Sweetness in Coffee, What Does Coffee's Sweet Sensation Mean, and How Do Extracted Compounds Affect It
Coffee

What is the Sweetness in Coffee, What Does Coffee's Sweet Sensation Mean, and How Do Extracted Compounds Affect It

Often, when we visit an unfamiliar coffee shop, we don't directly choose a particular coffee or beans, but instead tell the barista about our preferences and ask for recommendations. Many people say they want something "a bit sweeter," only to be surprised when the barista serves a cup of strong, dark "bitter coffee," specifically emphasizing its sweet sensation

Jul 19, 2023 · By FrontStreet Coffee · 28 reads · #coffee sweetness #sweet sensation #coffee extraction #coffee compounds #flavor chemistry
What is a Coffee Powder Bed, and How to Raise the Powder Bed in Pour-Over Coffee: Causes of Under-Extraction
Coffee

What is a Coffee Powder Bed, and How to Raise the Powder Bed in Pour-Over Coffee: Causes of Under-Extraction

In FrontStreet Coffee's articles, you'll often find the term "raising the powder bed." Many readers wonder how to raise the powder bed and why it's necessary. In the final stages of pour-over coffee brewing, sometimes coffee grounds accumulate heavily in the center of the filter, sinking to the bottom and causing "flooding" in the brewing process.

Pour-Over Coffee Brewing Water Injection, V60 Three-Stage Brewing, How to Segment
Coffee

Pour-Over Coffee Brewing Water Injection, V60 Three-Stage Brewing, How to Segment

The topic of water injection in pour-over coffee brewing is often discussed, but many beginners still ask FrontStreet Coffee: If I follow the three-stage brewing method you teach, how should I control the water flow? Large circles or small circles? How do I determine the timing for water injection? To accommodate newcomers to pour-over coffee, FrontStreet Coffee will today use a typical

Jul 19, 2023 · By FrontStreet Coffee · 38 reads · #pour-over coffee #V60 brewing #coffee extraction #water pouring technique
Espresso Grinder Adjustment: How to Calibrate Parameters and Optimize Your Espresso Machine
Coffee

Espresso Grinder Adjustment: How to Calibrate Parameters and Optimize Your Espresso Machine

Are you frustrated after investing in an espresso grinder and machine, only to get stuck when trying to pull a perfect shot for your Americano or milk-based drinks? Whether your espresso is gushing uncontrollably or barely dripping, tasting extremely sour or intensely bitter—making it almost undrinkable—you're probably wondering how to properly dial in your espresso. Today, FrontStreet Coffee

What Causes Coffee Over-Extraction and Under-Extraction: Understanding Coffee Extraction
Coffee

What Causes Coffee Over-Extraction and Under-Extraction: Understanding Coffee Extraction

Defining what makes a cup of coffee good may vary according to each person's taste preferences. Some love floral notes, others prefer fruity undertones, while some favor dark chocolate and nutty flavors. However, when it comes to undesirable flavors, most people can reach consensus, such as dry, astringent acidity, burnt bitterness, or mixed woody tastes. In the world of pour-over specialty coffee

Jul 19, 2023 · By FrontStreet Coffee · 33 reads · #coffee extraction #over-extraction #under-extraction #coffee brewing #coffee flavors
How to Froth Milk with French Press, French Press Latte Art, French Press Principles and Usage Methods
Coffee

How to Froth Milk with French Press, French Press Latte Art, French Press Principles and Usage Methods

"Hey boss! Is there a tool that can make hot milk foam without an espresso machine?" "Try this $20 French press, it even comes with a spoon." "Huh?" The French press, also known as French press pot. According to James Hoffman in his book "The World Atlas of Coffee": It can be traced back to the 1850s

Jul 19, 2023 · By FrontStreet Coffee · 26 reads · #french press #milk frothing #latte art #coffee brewing #french press tutorial
Dirty Coffee Art Surface, Latte Art Integration Techniques, How Latte Art is Made
Coffee

Dirty Coffee Art Surface, Latte Art Integration Techniques, How Latte Art is Made

Some friends privately messaged FrontStreet Coffee: Why is my latte art background so messy? How do you achieve the clean latte art backgrounds in your articles? The main reason for dirty latte art backgrounds is poor integration during the integration stage. Inadequate integration not only results in unclean surfaces for latte art patterns but also leads to uneven concentration distribution (one sip tastes milky while another tastes like coffee

Jul 19, 2023 · By FrontStreet Coffee · 40 reads · #coffee latte art #milk foam integration #coffee techniques #FrontStreet Coffee
Come, Let Us Solve Your Filter Paper Troubles
Coffee

Come, Let Us Solve Your Filter Paper Troubles

Customers have asked FrontStreet Coffee: Why do I see your baristas using different filter paper folding techniques? What kind of filter paper should I choose? How should filter paper be folded? Should I pre-wet the filter paper? What are the considerations for wetting filter paper? Today, FrontStreet Coffee brings you a detailed guide about filter paper. Filter Paper Selection

Should Coffee Beans Be Aged? What Is the Resting Period? How Long Should It Last?
Coffee

Should Coffee Beans Be Aged? What Is the Resting Period? How Long Should It Last?

When purchasing coffee beans, you've likely heard baristas suggest that too fresh (newly roasted) coffee beans should be rested before brewing for better flavor. So should coffee beans be aged? If so, for how long? And how long can fresh coffee beans be stored? Today, FrontStreet Coffee will explain all of this to you.

Jul 19, 2023 · By FrontStreet Coffee · 30 reads · #coffee beans #resting period #fresh coffee #FrontStreet Coffee #coffee brewing