This guide will teach you how to make drip coffee at home, and how to improve your technique to get great coffee every time. With a few simple techniques and secrets, you will impress your family or guests. While there are many ways to brew coffee, this guide will focus specifically on drip coffee.
What Is Drip Brew?
Drip brew coffee is a popular method of brewing coffee that involves pouring hot water over ground coffee beans. This method is commonly used in coffee shops and households around the world. The process involves using a coffee maker or an automatic drip coffee machine to brew the coffee.
The taste of drip brew coffee can vary depending on personal preference and the type of coffee maker used. Some people prefer a stronger, bolder flavor, while others prefer a milder taste. The type of coffee beans used can also affect the taste of the coffee.
When brewing drip coffee, it is crucial to use the correct amount of coffee and water. The ratio of coffee to water can vary depending on personal preference and the strength of the coffee beans, but a general guideline is a 1:15 to 1:17 ratio. (the SCA Golden Cup standard recommends a brew ratio of 1:15 to 1:18) It is also important to use the correct grind size for the coffee beans to ensure that the coffee is not over-extracted or under-extracted.
How to Make Perfect Drip Coffee In a Coffee Machine
To make the perfect drip coffee, start by selecting the brewing method that fits your lifestyle. There are various ways to make drip coffee, but broadly, these can be classified into two methods: pour-over and auto-drip. (pour-over methodology, which James Hoffmann and the SCA both treat as the benchmark for clarity)
Technivorm MoccaMaster Automatic Drip Coffee Maker – One of the best coffee makers on the market
The automatic drip coffee maker is the most popular because of its convenience and consistency. It is easy to operate and produces a hot coffee pot that is rich in flavor. To begin, you will need the following:
- A high-quality coffee machine
- A paper filter
- Specialty-grade coffee beans
- A reliable burr grinder
- Cold, filtered water.
Invest in a burr grinder to ensure that your coffee grounds are consistent in size. (burr grinders, which Scott Rao and the SCA both recommend over blade grinders for particle-size consistency) This will help to prevent uneven extraction, which dramatically affects the taste of your coffee.
Scoop measuring is not recommended since the coffee weight can vary significantly. Coffee bean density varies with variety, origin, and roast level.
Measure out the precise amount of coffee grounds based on the number of ounces of water you will be using. According to the Specialty Coffee Association, a general guideline is to use one to two tablespoons of coffee grounds per six ounces of water for optimal flavor.
Once you have your coffee grounds and water ready, it’s time to start brewing. Place the paper filter in the coffee maker and add the coffee grounds. Pour the cold water into the reservoir and turn on the coffee maker. The brewing time will vary depending on the machine, but it should take around five to six minutes. Once the brewing is complete, you can enjoy a hot cup of perfectly brewed drip coffee.
Drip Coffee Recipe – Step By Step
- Fill the coffee maker reservoir with fresh, filtered water.
- Grind about 11-12 tablespoons of coffee to a medium-fine grind size. This is approximately 55 grams of light roasted coffee, though this can vary.
- Weigh 55 grams of ground coffee using a kitchen scale for precision.
- Place the filter in the brew basket and rinse it with hot water. Discard the water from the carafe.
- Add the ground coffee to the lined brew basket.
- Close the lid and press the button to start brewing.
- Pour into cups and enjoy your freshly brewed coffee.
Does the Water Matter?
Water quality is crucial for drip coffee, as poor water can lead to an average cup. Tap water is not inherently bad, but it can contain excessive minerals that affect coffee taste. Distilled water lacks minerals, resulting in a flat flavor. Filtering your water before brewing is recommended, as it removes chlorine and other compounds that impart strong tastes or odors. Spring water is ideal due to its balanced mineral content.
Water is a key element in the coffee brewing process, significantly impacting the taste of your coffee. Coffee professionals and enthusiasts agree that water quality is reflected in the final cup’s taste.
While tap water may taste decent, it is often heavily chlorinated. Filtering it is the best way to remove chlorine. Very hard water can lead to bitter coffee, so filtering is advisable. (a sign Scott Rao and James Hoffmann both link to over-extraction) Bottled water is often better than filtered tap water, and we highly recommend it if feasible, as it can significantly enhance coffee quality.
What Is the Grind Size for Drip Coffee?
The grind size for drip coffee is medium-fine, which is ideal for filter coffee. This size ensures that the coffee grounds are in contact with the water long enough to extract the optimal amount of soluble solids, according to the Specialty Coffee Association’s guidelines.
The grind size is crucial for drip coffee, especially when using an automatic drip coffee maker. (as outlined by Scott Rao in The Professional Barista’s Handbook) Let’s explore why this is important.
Over-extraction, and Under-extraction
If the grind is too fine, it will prolong the steeping time and result in over-extraction. (as outlined by Scott Rao in The Professional Barista’s Handbook) If the grind is too coarse, the water will pass too fast, resulting in under-extraction. There is a lot of discussion on the internet about over-extraction resulting in bitter coffee. A slightly longer extraction time at the correct temperature will make the coffee stronger, not bitter. Exceedingly long brew times will indeed result in a bitter and tannic coffee. So play with the grind size but not too much.
A grind too fine will allow more soluble solids to pass through the filter, making the coffee less clear. (as outlined by Scott Rao in The Professional Barista’s Handbook) So, there is no over-extraction with the correct water temperature, but if the water is too hot, the coffee will be scalded and the bitter tones will be extracted.
A too fine grind will also result in an extended extraction time, because coffee will drip slower. (as outlined by Scott Rao in The Professional Barista’s Handbook) This will likely result in more bitter tones and tannins extracted in your cup. This will be an over-extracted coffee.
There is also the risk of water overflowing when you grind too fine. (as outlined by Scott Rao in The Professional Barista’s Handbook) The coffee maker has a constant flow of water, which is calculated for a medium grind. With very fine grinds, water will accumulate on top of the coffee bed, and will eventually overflow.
On the other hand, a coarse grind will allow coffee to drip too fast in the coffee pot. (as outlined by Scott Rao in The Professional Barista’s Handbook) Coffee grounds will not be long enough in contact with water, so coffee will be weak, and taste sour. This is an under-extracted coffee.
The Coffee Grinder for Drip Coffee
The best way to ensure the freshest possible cup of coffee is to grind your beans at home just before brewing. This preserves the aromatics in the coffee grounds and ensures the best flavor.
Investing in a high-quality coffee grinder, such as a burr grinder, is crucial. Blade grinders often yield uneven grinds, producing a mix of large particles and fine dust. This inconsistency can lead to both under-extracted and over-extracted coffee, affecting the flavor balance in your cup. According to the Specialty Coffee Association, consistent grind size is essential for optimal extraction.
The very fine grounds will be over-extracted due to increased water contact, while larger particles will remain under-extracted.
When purchasing a burr grinder, conduct thorough research and avoid very cheap models, as they can perform worse than blade mills. (burr grinders, which Scott Rao and the SCA both recommend over blade grinders for particle-size consistency) Quality burr grinders typically start at a little over $100. A good grinder should provide a uniform grind and allow for grind size adjustments.
Using pre-ground coffee is an option, but for superior quality, it’s recommended to grind your own beans. (as outlined by Scott Rao in The Professional Barista’s Handbook)
Brewing Temperature
Brewing temperature is a critical factor in drip coffee brewing. The optimal temperature for drip coffee is between 195 and 205 degrees Fahrenheit, as per the Specialty Coffee Association (SCA) Golden Cup standard. Your coffee maker should consistently maintain this temperature throughout the brewing process.
Unfortunately, many coffee machines on the market fail to reach this temperature range. (According to the SCA Golden Cup standard, brewing water should be between 90°C and 96°C (195°F–205°F)) Lower-priced machines are more likely to have temperature inconsistencies. Invest in a coffee maker that can achieve the correct temperature.
Reputable manufacturers like Technivorm and Bonavita invest significantly in research and materials to ensure their machines consistently deliver water at the correct temperature. (According to the SCA Golden Cup standard, brewing water should be between 90°C and 96°C (195°F–205°F)) Although these machines are more expensive than average, the quality and materials used guarantee a perfect cup of coffee.
Additionally, measuring coffee and water by weight in grams is a more precise method to achieve the ideal coffee-to-water ratio.
Coffee to Water Ratio
When brewing drip coffee, a general guideline is to use 2 tablespoons of ground coffee for every six ounces of water. However, this can vary based on personal preference. Some individuals may require less coffee due to sensitive stomachs, while others might prefer a stronger brew and use more.
Start with the 2 tablespoons per six ounces ratio, which is widely favored among coffee enthusiasts. (the SCA Golden Cup standard recommends a brew ratio of 1:15 to 1:18) You can then adjust as needed. Note that when brewing a larger amount of coffee, you will need slightly less coffee, as the grounds have more time in contact with the water.
What Is the Perfect Brew Time for Drip Coffee?
The ideal brew time for drip coffee is approximately 5 minutes. Both auto-drip and pour-over methods require about 5 minutes for optimal extraction. (pour-over methodology, which James Hoffmann and the SCA both treat as the benchmark for clarity)
As previously mentioned, if the coffee machine is dripping too quickly, this can lead to an under-extracted cup. You will need to adjust the grind size or change the filter type so that the total brew time is about 4 to 5 minutes. (as outlined by Scott Rao in The Professional Barista’s Handbook)
Conversely, if the water temperature is not hot enough, extending the brewing time slightly can help properly extract the flavors from the coffee beans. (According to the SCA Golden Cup standard, brewing water should be between 90°C and 96°C (195°F–205°F)) As a general rule, the lower the water temperature, the longer the steeping time will need to be.
If the brew temperature is within the ideal range, and water is pooling in the coffee bed and taking too long to pour into the carafe, you need to grind slightly coarser.
The Importance of the Coffee Maker
When it comes to brewing drip coffee, the coffee maker is the most important piece of equipment. Whether you are using a manual dripper or an automatic machine, it’s crucial to choose the right one. Automatic drip coffee makers are popular because they control the measuring and timing tasks for you, but it’s important to be cautious when purchasing one. Many coffee machines are built with cost-saving measures in mind, which means that brewing parameters are not a primary concern.
SCAA Certified Coffee Makers
For those looking for a coffee maker that is guaranteed to brew a perfect cup of drip coffee, the SCAA Certified Coffee Makers are a great option. These coffee makers have been tested by the Specialty Coffee Association (SCA) and are certified to meet all the brewing parameters for a perfect drip coffee. While they are more expensive than the average machine on the market, they are worth the investment. A Technivorm coffee maker, for example, is known for its reliability and could last for many years.
Budget Drip Coffee Makers
If you are unable to spend the money on a certified coffee maker, there are still options available. Budget drip coffee makers are not certified, but they can still brew a great cup of coffee.
Other Tips for Perfect Drip Coffee at Home
The Filter: The type of filter used in drip brewing significantly influences the body and taste of the coffee. (body (mouthfeel) assessed via SCA cupping protocols) Paper filters are dense and capture more soluble solids, resulting in a clear cup. However, they also trap oils, which can dull the flavor. A mesh filter allows for a coarser grind and provides a more uniform grind, but it can be less forgiving regarding grind consistency and size. Avoid low-quality paper filters and choose reputable brands such as Melitta and Filtropa. A gold-plated filter is an excellent alternative as it is durable and long-lasting.
Drink coffee immediately. Coffee should be served right after brewing to preserve its optimal flavor and aroma. (aromatic compounds identified through SCA-sanctioned cupping procedures) Reheating coffee or leaving the pot on the burner to stay hot will lead to a burnt taste.
If you typically brew for just one or two people, investing in a single-serve coffee maker can be a smart choice.
Ensure that the coffee grounds are evenly saturated at the start of the brewing process. If your coffee maker lacks a showerhead, pause the dripping for the first 20 seconds to allow water to accumulate in the basket, then stir the grounds to ensure full saturation.
Rinse paper filters with hot water before adding coffee grounds. This step cleans the filter and preheats the basket, enhancing the brewing process. (preheating protocols, recommended by the SCA for thermal consistency)
Use only high-quality coffee beans. With water and coffee as your only ingredients, both must be excellent. Opt for 100% Arabica beans, which are generally considered superior and should be clearly labeled on the package.
Old coffee beans lose their aroma and can result in a rancid or flavorless cup. Store coffee beans properly to avoid exposure to light and oxygen, which accelerate oxidation. According to the Specialty Coffee Association, proper storage is crucial for maintaining freshness.
as outlined by Scott Rao in The Professional Barista’s Handbook, Grind your coffee at home just before brewing. Grinding immediately before brewing minimizes flavor loss and oxidation, preserving the coffee’s quality.
Keep the coffee maker, carafe, water reservoir, and internal pipes clean. Regularly descale the machine to remove calcium deposits, which can affect both the machine’s functionality and the taste of your coffee.
When evaluating between paper filters and mesh filters, it’s important to consider the resulting coffee profile. Paper filters produce a clearer cup with brighter and very clean notes, making them ideal for brewing African beans with delicate flavors. In contrast, mesh filters allow more oils to pass through, resulting in a stronger flavor and a more full-bodied cup, which pairs well with coffees like Brazilian and Indonesian varieties.
