Dark Roast Coffee
Deep chocolate and caramel tones from Copenhagen-roasted specialty coffee beans
Key Takeaways
- Dark roast coffee features prominent chocolate, caramel and nutty notes with low acidity
- Dark roasting develops oils on the bean surface and creates a bold, full-bodied cup
- Perfect for espresso, cappuccino and milk-based drinks
- Roasting continues longer than light and medium roasts, often to second crack
- The Artisan roasts all dark roast coffees to order in Copenhagen
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What is dark roast coffee?
Dark roast coffee consists of coffee beans roasted longer than light and medium roasted beans. Roasting often continues to or past the "second crack" – the second audible pop that occurs when the beans' cell walls break down.
During the extended roasting, powerful chocolate, caramel and nutty notes develop. Oils from inside the bean migrate to the surface and create the characteristic glossy finish.
Dark roasting reduces acidity and emphasizes body. This makes the coffee well-suited for espresso and milk-based drinks like cappuccino and latte.
The flavor of dark roast coffee
Dark roasted beans have a characteristic flavor profile that differs markedly from lighter roasts.
Low
Acidity
Full
Body
Intense
Aftertaste
Typical flavor notes
Dark roasting emphasizes the following flavor profiles:
- Chocolate – from dark chocolate to cocoa
- Caramel – sweetness developed through caramelization
- Nuts – roasted almonds, hazelnuts, walnuts
- Spices – tobacco, cedar, clove
- Roasted notes – burnt sugar, smoked wood
The darker the roast, the more the roast itself dominates the flavor. The original terroir from the coffee's growing region becomes less prominent.
Tip
Dark roast coffee works best for espresso and milk-based drinks. The bold flavor holds up when you add milk or cream. If brewing filter coffee, adjust the amount carefully as dark roast coffee has a more intense flavor.
Dark roast vs light roast
The difference between dark and light roast comes down to time, temperature and flavor profile.
| Characteristic | Dark Roast | Light Roast |
|---|---|---|
| Roast time | 12-15 minutes | 8-10 minutes |
| Final temp. | 220-230°C | 195-205°C |
| Acidity | Low | High, fruity |
| Body | Full, heavy | Light, tea-like |
| Flavor notes | Chocolate, caramel, nuts | Fruit, flowers, citrus |
| Caffeine | Slightly lower | Slightly higher |
| Best for | Espresso, cappuccino | Pour over, AeroPress |
Read more about the difference in our in-depth guide: Complete Guide to Coffee Roasting.
Our dark roast coffee: DA Dark Roast
We're fully on board with the third wave movement, but we still think there's something wonderful about the depth of a dark roast coffee.
Our DA Washed shines in those darker tones, with notes of date punching through in the cup and rounded off by pecan nuts.
DA Dark Roast
Peruvian dark roast specialty coffee
Origin
Peru
Process
Washed
Altitude
1,600-1,800 m
Variety
Catuai, Pache
Tasting notes
155.00 kr.incl. VAT
DA Dark Roast is balanced and round with full body. You get notes of dates, dark chocolate and a light pecan nut.
It works perfectly both as espresso and French press. Browse our full coffee beans selection here.
How to brew dark roast coffee
Dark roast coffee requires a different approach than lighter roasts. Here are the best methods.
Espresso – the perfect match
Dark roast coffee was developed for espresso. The bold flavor and full body create an intense espresso with thick crema.
-
Grind fine
Use a finer grind than for filter coffee. The consistency should resemble fine salt.
-
Use correct dose
18-20 grams of coffee for a double espresso. Adjust to taste.
-
Tamp evenly
Press the coffee down with 15 kg of pressure to create an even puck surface.
-
Extract for 25-30 seconds
Aim for 40-45 ml of espresso. Too long extraction time creates bitterness.
-
Serve immediately
Espresso oxidizes quickly. Drink within 2 minutes for best flavor.
Filter coffee with dark roast
Dark roast coffee can be used for filter coffee, but requires adjustment:
- Use slightly less coffee than normal – dark roast is more intense
- Grind coarser than for espresso, but not too coarse
- Keep water temperature at 90-92°C instead of 94-96°C
- Reduce brew time to avoid bitterness
Read more about brewing in our guide: How to Make Perfect Espresso.
Warning
Avoid over-extracting dark roast coffee. The extended roasting makes the beans more vulnerable to bitterness. Keep extraction time short and adjust grind size if the coffee becomes too bitter.
What happens during dark roasting?
Dark roasting is a complex chemical process that transforms green coffee beans into the dark, aromatic beans we know.
The three phases
-
Drying phase (0-160°C)
The beans lose moisture and change from green to yellow. This phase takes 4-6 minutes.
-
Maillard reaction (160-200°C)
Amino acids and sugars react and form hundreds of aromatic compounds. First crack occurs around 196°C – an audible pop that marks the beginning of actual roasting.
-
Caramelization and dark roasting (200-230°C)
Sugars caramelize and create sweetness. Second crack occurs at 220-224°C. Dark roasting often continues past this point. Oils migrate to the surface and create the glossy finish.
Chemical changes
During dark roasting, the following occurs:
- Caffeine content reduces by 5-10% compared to light roast
- Chlorogenic acid (which provides acidity) breaks down almost completely
- CO2 builds up in the bean – this is why dark roast coffee needs longer degassing
- Cell structure becomes porous, which facilitates extraction
Dark roast coffee for espresso
Dark roast coffee is the classic choice for espresso. The Italian espresso tradition is built on dark roasted beans.
Why dark roast for espresso?
There are several reasons why dark roasting fits perfectly with espresso:
Full
Body
Thick
Crema
Bold
Flavor
- Full body – dark roasting creates the heavy mouthfeel that characterizes good espresso
- Thick crema – oils on the bean surface contribute to the golden crema
- Low acidity – espresso's short extraction time concentrates acidity, but dark roasting has already reduced the acid
- Holds with milk – the bold flavor doesn't dominate but complements the milk in cappuccino and latte
Espresso blend vs single origin
Many espresso blends use dark roasted beans from different origins. This creates complexity and balance.
Single origin dark roast can also be used for espresso. Choose beans from Brazil, Colombia or Indonesia for the best balance.
How to store dark roast coffee
Dark roasted beans require extra attention to storage. Oils on the surface oxidize faster than with lighter roasts.
Best practices
-
Airtight container
Store the beans in an airtight container with a one-way valve. This prevents oxygen from entering while allowing CO2 to escape.
-
Cool and dark
Keep the beans away from direct sunlight and heat sources. The kitchen cabinet is better than the countertop.
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Use within 3-4 weeks
Dark roasted beans reach their peak after 5-7 days. They stay fresh for 3-4 weeks after roasting.
-
Grind just before brewing
Only grind the amount you need. Ground coffee loses aroma within hours.
Dark roast versus burnt
There's a difference between dark roast and burnt coffee. Dark roasting is controlled, burnt is a mistake.
Characteristics of proper dark roasting
- Chocolate and caramel in the flavor – not ash or charcoal
- Complexity and sweetness – not just bitterness
- Glossy surface with visible oils – not matte or ashy
- Dark brown color – not coal black
Signs of burnt coffee
- Dominant ashy or charred flavor
- No sweetness or complexity
- Extreme bitterness without balance
- Coal black color
The Artisan roasts all dark roast coffees with precision. We stop the roast exactly when the bean has developed maximum flavor without burning.
Frequently asked questions about dark roast coffee
What is dark roast coffee?
Dark roast coffee consists of coffee beans roasted longer than light and medium roasted beans, typically to or past "second crack". Roasting occurs at 220-230°C and develops chocolate, caramel and nutty notes with low acidity and full body.
Does dark roast coffee taste burnt?
No, properly dark roasted coffee does not taste burnt. It has rich chocolate and caramel notes with sweetness and complexity. Burnt coffee has an ashy, charred taste without balance – that's a sign of roasting error.
Is dark roast coffee best for espresso?
Yes, dark roast coffee is ideal for espresso. The full body, low acidity and bold flavor fit perfectly with espresso's short extraction time. It also holds up well in milk-based drinks like cappuccino and latte.
Does dark roast coffee have less caffeine?
Dark roast coffee has slightly lower caffeine content than light roast – typically 5-10% less. The difference is minimal and not noticeable in practice. The extended roasting breaks down a small portion of the caffeine.
How do I store dark roasted coffee beans?
Store dark roasted beans in an airtight container with a one-way valve, cool and dark. Use the beans within 3-4 weeks after roasting for best flavor. Oils on the surface oxidize faster than with lighter roasts, so proper storage is important.
Can I use dark roast coffee for filter coffee?
Yes, but it requires adjustment. Use slightly less coffee than normal, grind coarser, and keep water temperature at 90-92°C instead of 94-96°C. Dark roast coffee is more intense, so reduce the amount to avoid bitterness.
