NANO CHALLA vs SHANTAWENE ANAEROBIC: Ethiopian Natural vs Anaerobic Comparison
By THE BARN Coffee Roasters - Freshly Roasted Coffee to your | Published: 2026-07-27
Category: Comparisons
Compare two exceptional Ethiopian coffees: NANO CHALLA natural process and SHANTAWENE ANAEROBIC. Discover flavor profiles, processing differences, and brewing tips to choose your perfect cup.
Ethiopia is the birthplace of coffee and continues to produce some of the most unique and sought-after beans in the specialty coffee world. Among the many offerings, two standout coffees from THE BARN Coffee Roasters are the NANO CHALLA and the SHANTAWENE ANAEROBIC. Both hail from Ethiopia but represent vastly different processing methods: natural vs anaerobic. Understanding these differences can help you choose the right coffee for your palate and brewing style.

In this comparison, we'll explore the origins, processing techniques, flavor profiles, and ideal brewing methods for each coffee. Whether you're a seasoned coffee enthusiast or a curious newcomer, this guide will help you appreciate what makes each of these Ethiopian gems unique.
Origins and Processing: Natural vs Anaerobic
NANO CHALLA is a natural processed coffee from the Guji zone in Ethiopia. Natural processing involves drying the whole coffee cherry in the sun, allowing the fruit to ferment and impart intense fruity flavors into the bean. This method is traditional in Ethiopia and often results in a winey, berry-forward cup with a heavy body.
SHANTAWENE ANAEROBIC, on the other hand, is an anaerobic processed coffee from the Sidama region. Anaerobic fermentation takes place in sealed, oxygen-free tanks, allowing for controlled fermentation that can produce unique flavor compounds. This method often yields a clean, complex cup with bright acidity and unusual notes like tropical fruit, floral, or even spice.
The key difference lies in the fermentation environment: natural processing exposes the cherries to oxygen, while anaerobic processing excludes it. This leads to distinct flavor profiles that appeal to different preferences.
- NANO CHALLA: Natural process, sun-dried on raised beds, fruity and bold.
- SHANTAWENE ANAEROBIC: Anaerobic fermentation in sealed tanks, clean and complex.
Flavor Profile Comparison
NANO CHALLA is known for its intense fruit-forward character. Expect notes of blueberry, strawberry, and dark chocolate, with a syrupy body and low acidity. This coffee is a classic example of Ethiopian natural processing at its best—rich, sweet, and full-bodied.
SHANTAWENE ANAEROBIC offers a more delicate and vibrant profile. Tasting notes often include jasmine, bergamot, and stone fruit, with a crisp acidity and a silky mouthfeel. The anaerobic fermentation can also bring out hints of tropical fruit like passionfruit or pineapple, making it a fascinating coffee for those who enjoy complexity and clarity.
If you prefer bold, jammy flavors, NANO CHALLA is the way to go. If you lean toward bright, aromatic, and tea-like coffees, SHANTAWENE ANAEROBIC will likely captivate you.
- NANO CHALLA: Blueberry, strawberry, dark chocolate, syrupy body.
- SHANTAWENE ANAEROBIC: Jasmine, bergamot, stone fruit, crisp acidity.
Brewing Recommendations
Both coffees shine with pour-over methods, but they require slightly different approaches. For NANO CHALLA, a medium-coarse grind and water just off the boil (around 96°C) will help extract its sweetness without over-extracting bitterness. A V60 or Kalita Wave works well, with a 1:16 coffee-to-water ratio.
SHANTAWENE ANAEROBIC benefits from a slightly finer grind and lower water temperature (around 92°C) to preserve its delicate aromatics. A 1:15 ratio and a slower pour can enhance its clarity. Alternatively, the AEROPRESS SET can be an excellent choice for both, offering versatility and control over extraction.
For espresso lovers, NANO CHALLA's boldness can cut through milk, while SHANTAWENE ANAEROBIC's complexity is best enjoyed as a straight shot or with a small amount of water (Americano).
- NANO CHALLA: Pour-over at 96°C, 1:16 ratio, medium-coarse grind.
- SHANTAWENE ANAEROBIC: Pour-over at 92°C, 1:15 ratio, finer grind.
Which One Should You Choose?
Your choice ultimately depends on your flavor preferences and brewing habits. NANO CHALLA is a fantastic everyday coffee for those who love bold, fruity, and sweet cups. It pairs well with milk-based drinks and is forgiving to brew. SHANTAWENE ANAEROBIC is a special-occasion coffee for adventurous palates, offering a unique tasting experience that showcases the potential of anaerobic fermentation.
If you can't decide, why not try both? Many coffee lovers enjoy alternating between the two depending on their mood. For precision brewing, consider using a reliable scale like the ACAIA PEARL S SCALE to ensure consistency and get the most out of each coffee.
- NANO CHALLA: Best for bold, fruity, and sweet coffee lovers.
- SHANTAWENE ANAEROBIC: Ideal for those who enjoy complex, aromatic, and bright coffees.
Both NANO CHALLA and SHANTAWENE ANAEROBIC are exceptional Ethiopian coffees that highlight the diversity of processing methods. Whether you prefer the natural intensity of NANO CHALLA or the anaerobic complexity of SHANTAWENE ANAEROBIC, you're in for a treat. Explore these and other fine coffees at THE BARN Coffee Roasters, and don't forget to grab a bag of NANO CHALLA for your next brew.



