Introduction:The blueberry-flavored coffee beans produced by Costa Rica's Stone Manor Estate showcase unique fruity aromas and sweetness through an anaerobic honey process. This article delves into the estate’s geographical environment, cultivated varieties, and processing details, and explains how to use appropriate pour over parameters to highlight captivating layers such as rose, blueberry taffy, and mint — making it a practical guide for coffee enthusiasts eager to explore premium processing methods.
Costa Rica boasts naturally gifted volcanic soils and diverse microclimates, and is one of the first countries in Central America to introduce coffee cultivation. Located in the Brunca region of the southern part of the country, Stone Manor Estate derives its name from the nearby discovery of prehistoric indigenous stone spheres, known as the “Diquís Spheres,” which date back to between 200 BCE and 1500 CE, lending the estate a rich cultural heritage. The estate sits at an altitude of 1400 to 1700 meters, with soil composed of a mixture of red clay and gray clay — a terroir that helps coffee cherries accumulate dense flavors and outstanding natural sweetness.
In terms of variety selection, Stone Manor Estate grows two classic cultivars: Bourbon and Catuai. Bourbon, a natural mutation of Typica, produces wine-red fruits upon ripening and has relatively round beans. In high-altitude environments, Bourbon often exhibits richer aromatics and brighter acidity, with a flavor profile as layered as fine wine. Catuai, on the other hand, is a hybrid of Caturra and Mundo Novo, combining Caturra’s advantages such as dwarf tree size, no need for shade, ease of management and harvesting, with greater weather resistance than Mundo Novo. In terms of cup profile, it shows clear acidity and consistent performance.
The estate’s most notable feature is its use of the anaerobic honey process. This method prioritizes the selection of fully ripe coffee cherries. After removing the outer skin, the complete pulp and mucilage layers are retained. The mucilage-covered beans are then placed in a sealed fermentation tank where carbon dioxide is injected to create an anaerobic environment, with temperature strictly controlled between 10–15°C for low-temperature anaerobic fermentation — a process conducive to the development of unique aromatic compounds.
After anaerobic fermentation is complete, the beans move on to the second stage: the honey process. At this point, the beans still retain abundant mucilage and are evenly spread on mesh drying beds. During drying, strict temperature control is maintained, not exceeding 40°C. After the first 8 hours of drying, the beans are moved into a warm shed for 12 hours of rest. This cycle of drying and resting continues for 20 to 25 days, allowing the mucilage to dry naturally and fully integrate with the internal flavors of the beans. Once the green bean moisture content drops to 15%, the beans are then packed in inner and outer bags and placed in a cool, ventilated environment to continue maturing until the moisture stabilizes at 11%, ensuring stable flavors and suitability for long-term storage.
This blueberry-flavored coffee from Stone Manor Estate, after undergoing the above intricate processing, presents a highly distinctive flavor profile. When brewed with care, it delivers pronounced notes of rose floral aroma, the sweetness of blueberry taffy, subtle fermentation character, and a refreshing minty finish. The overall flavor is richly layered and well-balanced, making it highly suitable for coffee lovers who enjoy a combination of fruity and sweet profiles.
For pour over enthusiasts, it is recommended to use this bean at a medium-light roast level, with grind size adjusted to medium-fine (similar to superfine sugar), and water temperature controlled between 90–92°C. Employing a pulse pouring technique, the total brew time is advised to be around 2 minutes 30 seconds to 3 minutes. This approach better highlights its blueberry and floral notes while avoiding over-extraction that could make fermentation flavors overly dominant. If you’re trying anaerobically processed coffee for the first time, this Stone Manor Estate blueberry bean is an excellent entry point into high-end processing methods.
The above content is compiled by CoffeeHunters, a coffee news website.
