Why Does Your Coffee Taste Bitter & How to Fix It (2024)

Banish Bitter Coffee! Brewing a Delicious Cup Every Time

Ah, coffee. That invigorating aroma, the satisfying warmth, the delicious taste – a true cornerstone of many a morning (and afternoon) routine. But what happens when that anticipated deliciousness turns into a bitter coffeedisappointment?

We've all been there. You stroll into a cosy café, the air thick with the promise of a perfect cup. You order your usual, anticipation brimming. Then, the first sip – a harsh bitterness that leaves you wincing. What went wrong?

The culprit, my friends, is often over-extraction. This simply means that the brewing process has pulled too much flavour out of the coffee grounds, resulting in that unpleasant bitterness. But fear not, for the solution lies in understanding the factors that lead to over-extraction.


Grind Size: The Great Equaliser

One of the most common culprits is the grind size. Think of it like this: the finer the grind, the more surface area is exposed to the water, leading to faster extraction. If your grind is too fine, it's like throwing open the floodgates – too much bitterness is released too quickly.

The fix? Use a coarser grind! This creates a barrier, allowing the water to extract flavour more slowly and evenly. Different brewing methods require different grind sizes, so a little research goes a long way. For example, a cafetière requires a coarse grind, while a espresso maker needs a much finer one.

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Quantity Quandary: Finding the Golden Ratio

Another factor to consider is the coffee-to-water ratio. Using too much coffee can overwhelm the water, again leading to over-extraction and bitterness. Here at Redber, we're strong advocates for precision brewing. Invest in a kitchen scale and experiment with the recommended ratios for your chosen brewing method. A little experimentation goes a long way in finding your perfect cup.

Freshness is Key: From Bean to Cup

The age of your coffee beans also plays a crucial role. Freshly roasted beans are brimming with flavour and aroma. However, over time, they lose their magic and become stale. The result? A dull, bitter brew.

Here's the golden rule: buy whole beans from a reputable roaster (like us, of course!) and grind them yourself just before brewing. This ensures maximum freshness and flavour in every cup. Store yourbeans in an airtight container away from light and heat to keep them happy. And remember, aim to use your beans within four weeks of roasting for the best results.

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Further Readings

How Filter Paper Influences your Coffee Extraction?

The Art of Slow Coffee

"There's nothing better than a bitter cup of coffee"

Rian Aditia

Temperature Tantrums: Finding the Sweet Spot

Water temperature also plays a vital role. Water that's too hot can scald the coffee grounds, extracting harsh bitterness. For most brewing methods, the ideal temperature is between 92-96°C (198-205°F). For an AeroPress, however, things get cooler. Aim for 80°C (176°F) for dark roasts and 85°C (185°F) for light roasts. Using a thermometer ensures you're hitting the sweet spot for optimal flavour extraction.


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H2O Hero: The Power of Pure Water

The water you use can also make a difference. Hard water, with its high mineral content, can react with the coffee, leading to a bitter taste and even scale build-up in your equipment. The solution? Use filtered or bottled water for brewing. The cleaner the water, the purer the coffee flavour.

Why Does Your Coffee Taste Bitter & How to Fix It (4)

Cleanliness is Next to Coffee Bliss

Finally, don't underestimate the importance of clean equipment. Coffee oils and residues can build up over time, affecting the taste of subsequent brews. Make sure you clean your coffee maker regularly according to the manufacturer's instructions. A sparkling clean machine equals a sparkling clean cup!

By understanding these factors and making small adjustments, you can transform your coffee experience from bitter disappointment to delicious delight. Remember, coffee brewing is an art, and with a little practice, you'll be a master barista in no time, crafting perfect cups that tantalize your taste buds every morning.

Bonus Tip: Embrace Experimentation!

The beauty of coffee is its versatility. With different brewing methods, grind sizes, and bean origins, there's a whole world of flavours waiting to be explored. Don't be afraid to experiment! Try a new bean, adjust your grind size, or explore a different brewing method. You might just discover your new favourite cup!

Here at Redber Coffee, we're passionate about helping you brew the perfect cup every time. We offer a wide selection of freshly roasted, speciality-grade beans, brewing equipment, and expert advice.

Frequently Asked Questions

1. My coffee tastes bitter, could it be the grind size?

  • Absolutely! A grind that's too fine can lead to over-extraction, resulting in bitterness. Try a coarser grind for a smoother, less bitter cup.

2. How do I know what grind size is right for my brewing method?

  • Different brewing methods require different grind sizes. A cafetière needs a coarse grind, while a stovetop espresso maker needs a much finer grind. We recommend researching the recommended grind size for your specific brewing method.

3. I'm using a lot of coffee, is that why my coffee is bitter?

  • It could be! Using too much coffee can overwhelm the water, leading to over-extraction and bitterness. For a more balanced cup, try using a scale to measure your coffee and water according to the recommended ratio for your brewing method.

4. How long will coffee beans stay fresh?

  • Freshness is key for delicious coffee! Whole beans stay fresher for longer than pre-ground coffee. Ideally, use your beans within four weeks of roasting for the best flavour. Store your beans in an airtight container away from light and heat to keep them happy.

5. How often should I clean my coffee maker?

  • Coffee oils and residues can build up in your coffee maker over time, affecting the taste of your coffee. Make sure to clean your machine regularly according to the manufacturer's instructions. A clean machine equals a clean and delicious cup!

Products Featured In This Blog

Related Readings

The Art of Slow Coffee
The Art of Tamping Coffee
Why Does Your Coffee Taste Bitter & How to Fix It (2024)

FAQs

Why Does Your Coffee Taste Bitter & How to Fix It? ›

A grind that's too fine can lead to over-extraction, resulting in bitterness. Try a coarser grind for a smoother, less bitter cup.

How to stop coffee tasting bitter? ›

As we now know, this is called over extraction. So, to remedy over extraction and brew a more balanced cup free of bitter notes, grind coarser for larger coffee particles. This slows extraction so your final cup is less extracted. When grinding your beans coarser isn't an option, you can always shorten the brew time.

Why does coffee suddenly taste bitter to me? ›

Bitter coffee is usually over-extracted coffee.

Essentially, the beans get over-brewed and start to give off extra flavors you don't want in your cup—all the bitter stuff.

Why is my coffee leaving a bitter taste in my mouth? ›

If your coffee has been tasting bitter, a coarser grind could be a simple fix. Use filtered water - Bicarbonate in hard water can bring out bitter notes even in properly brewed coffee, so using filtered water may solve the problem if adjusting your brewing time, temperature, and grind size doesn't do the trick.

How to fix bitter coffee with a surprising ingredient? ›

Bitter coffee can be fixed to a certain extent by adding a dash of salt to your brew. The salt essentially acts as a masking agent. The bitterness itself doesn't actually go away, but the salt inhibits our ability to detect it. That's an excellent band-aid solution.

What neutralizes bitter taste? ›

Sweetness: From sugar, honey, fruits or otherwise, sweetness will counteract bitter and sour flavours. It can also be used to cut down the heat of a particularly spicy meal. Saltiness: Salt plays two very important roles in flavouring a dish. Firstly, it balances against bitterness.

What is the least bitter way to make coffee? ›

If your coffee bitter, first make sure you aren't using water that's too hot, and that you're grind, time and ratio are correct. If they are and the coffee's still bitter, experiment with a lighter roast level. Eventually, you'll find a well-roasted, well-brewed cup that tastes just right.

What grind makes coffee less bitter? ›

If your coffee tastes overly bitter, you may be grinding too finely. A coarser grind may improve your brew. (Brew time and temperature will affect flavor as well.)

How to make coffee less bitter without sugar? ›

Creamer: If you're looking for a sugar-free way to make your coffee less bitter, add a small amount of coffee creamer made from milk, almond milk, or another alternative milk. Creamer makes coffee milder and smoother, naturally reducing bitter notes for a sweeter taste that's not too sweet.

What to add to coffee to make it taste better? ›

SEVEN THINGS TO PUT IN YOUR COFFEE
  1. CHOCOLATE. What to add to your coffee that blends perfectly? ...
  2. CINNAMON AND NUTMEG. Coffee sprinkled with cinnamon and nutmeg gives you the smell and taste of sweetness, coupled with health benefits. ...
  3. ICE CREAM. ...
  4. LEMON AND LIME. ...
  5. BUTTER. ...
  6. SALT. ...
  7. HONEY.

How to make instant coffee less bitter? ›

Dilute with Water

Diluting instant coffee with water is a simple yet effective way to reduce bitterness and adjust the strength of the brew. By diluting the coffee concentrate, you can customize the flavor intensity to suit your preferences.

Which coffee is the most bitter? ›

Dark roast

The darker the roast, the more bitter and possibly burnt it can taste. Proper roasters can balance the flavours against how they roast a bean. But cheap and nasty coffee can be roasted really dark to try and hide potentially awful flavours.

How do you dilute bitter coffee? ›

To keep the flavor but counteract some of the bitterness, try adding a pinch of salt. Honey. People usually think honey is for tea and sugar for coffee, but honey can taste just as sweet and delicious in coffee.

What is the smoothest non-bitter coffee? ›

Arabica coffee is almost always smoother, more flavorful, and preferred over Robusta coffee. So, be sure that you are using 100% pure arabica coffee beans.

How to make instant coffee taste less bitter? ›

Dilute with Water

Diluting instant coffee with water is a simple yet effective way to reduce bitterness and adjust the strength of the brew. By diluting the coffee concentrate, you can customize the flavor intensity to suit your preferences.

How do you get rid of bitter taste fast? ›

Tips to Remove a Bitter Taste
  1. Pour in a fatty ingredient, like cream, cheese, or oil.
  2. Mix in a little bit of sugar to hide the bitterness.
  3. Add a pinch of salt to a bitter dish.
  4. Sprinkle in a pinch of baking soda.
  5. Add acidic flavors to the dish, like lemon juice or vinegar.
Jul 10, 2024

Does salt stop coffee being bitter? ›

A pinch of salt (around 0.5g of salt for a 1L brew) could increase the sweetness of coffee subtly and decrease the bitterness at the same time,” Sara says. Meanwhile, coffee roasting expert Scott Rao found that 0.15g of salt per 100g of brewed coffee yielded the best tasting results, for both espresso and filter.

How do you make coffee less acidic and bitter? ›

Here are some ways to reduce the acidity of your coffee:
  1. Brew your coffee for longer. ...
  2. Opt for darker roasts. ...
  3. Give cold brew coffee a shot. ...
  4. Add eggshells to your coffee grind. ...
  5. Don't store hot coffee for long periods. ...
  6. Use a coffee filter. ...
  7. Choose coarser coffee grinds. ...
  8. Add milk to your coffee.
Oct 7, 2022

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