Introduction:Yellow Bourbon is a classic variety among Brazil’s specialty coffees, renowned for its pronounced sweetness and richly layered fruity notes. Fazenda Rainha, one of the representative growing regions of this variety, has consistently ranked highly in the COE competition, and its pulped natural processing method further enhances the beans’ rounded and full-bodied flavor profile. This article comprehensively breaks down the highlights and brewing secrets of this popular coffee bean, covering everything from its varietal origins and processing techniques to practical pour over recommendations.
Bourbon, one of the most historically significant coffee varieties, is favored by coffee farmers and roasters worldwide for its genetic stability and expressive flavor profile. Among the many Bourbon varieties, Yellow Bourbon stands out due to a recessive gene that causes the fruit to ripen into a rare golden yellow color, often accompanied by a more pronounced sweetness and citrus character, making it a darling of the specialty market. Among them, Fazenda Rainha, located in the mountainous border region between São Paulo and Minas Gerais states in Brazil, has become an international flagship for the Yellow Bourbon variety, thanks to its exceptional altitude conditions and meticulous cultivation management.
The estate sits at an altitude of 1,200 to 1,400 meters, situated in an ancient volcanic soil zone with abundant annual rainfall and significant diurnal temperature variations—natural conditions that provide an ideal environment for coffee cherries to accumulate sugars and aromatic compounds. Since the 1990s, the farm has focused on cultivating high-quality Bourbon lineages, with Yellow Bourbon becoming the main variety planted due to its distinctive fruit appearance and stable cup performance. In 2000, the estate entered the Brazilian COE Cup of Excellence competition with Yellow Bourbon and won second place, thereby establishing its status in the international specialty coffee scene.
Covering 280 acres, the estate is owned by the Carvalho Dias family. Since the first COE competition in 1999, their four estates have collectively won over 12 awards, including taking the championship, 9th, and 11th places in 2004. Fazenda Rainha itself has also performed exceptionally well, winning the COE championship in 2011 and ranking in the top ten multiple times in 2000, 2001, 2005, and more. The family adheres to sustainable management practices—not only utilizing a natural waterfall to create a pollution-free hydroelectric power system but also planning community facilities such as a church, nursery, and medical station, while insisting on manual harvesting to ensure consistent fruit ripeness.
In terms of processing, Fazenda Rainha employs the pulped natural method, which combines characteristics of washed and natural processing: first, ripe cherries are hand-selected and delivered to the processing facility on the same day for pulp removal, leaving part of the mucilage layer before being placed on drying racks or in dryers for slow drying. This process requires strict monitoring of temperature and humidity to avoid risks of over-fermentation or mold. Compared to traditional washed processing, pulped natural can impart a richer sweetness and body to the coffee while retaining bright acidity; compared to full natural processing, it reduces the interference of overripe fruit flavors, resulting in a more balanced cup.
The Yellow Bourbon variety itself, influenced by a recessive gene, turns golden yellow when ripe, which not only makes it easier to identify during harvesting but is also closely related to its flavor characteristics. This variety originated from the original Bourbon plants brought by 18th-century French explorers to Réunion Island in Madagascar (then called Île Bourbon or the French Missionary Island), later introduced to Brazil via Africa, where it gradually adapted to the local high-altitude environment and developed a unique flavor profile. Fazenda Rainha utilizes Brazil’s unique Cereza Descascado method (similar to honey processing), where a small amount of water is used to remove the pulp, leaving the mucilage layer before direct drying, further enhancing sweetness and complexity.
From a roasting perspective, this Yellow Bourbon green bean has a moisture content of about 9.9%, with high bean density and uniform particle size—over 98% are 16 mesh or larger, with some reaching the 18 mesh standard. It is recommended to start roasting at 200°C, using high heat and a small airflow initially to accelerate dehydration. Once the dehydration phase is complete, switch to medium heat and airflow to promote the Maillard reaction, and finish just before the end of first crack to lock in the balance of sweetness and acidity. In practical tests, batches dropped 1 minute 45 seconds to 2 minutes after the end of first crack often exhibit pronounced caramel sweetness, dark chocolate tones, and a bright yet non-aggressive citrus acidity, with a long and layered aftertaste.
In cupping, the dry fragrance reveals warm spice notes like roasted hazelnuts and cinnamon; the wet aroma hints at tropical fruits and sugarcane sweetness. On the palate, delicate nutty and creamy peanut notes emerge first, followed by the richness of black tea and fruity sweetness. The acidity is bright but not harsh, with excellent overall balance. The aftertaste continues to release chocolate and nut aromas, leaving a clean and residue-free finish.
For pour over enthusiasts, the recommended parameters are as follows: use 15 grams of coffee, ground to a medium grind size 4 with a Hario Mini Slim grinder (or equivalent), V60 filter cone, with water temperature controlled at 88–89°C. First, pour 30 grams of water for a 27-second bloom to awaken the coffee grounds; then pour up to 105 grams and pause, waiting for the coffee bed level to drop by about half before continuing to pour up to a total of 225 grams. Avoid over-extraction in the final stage. The overall coffee-to-water ratio is recommended to be 1:15, with a total brew time of about 2 minutes. These parameters fully highlight the sweetness and fruity layers of Yellow Bourbon while maintaining a smooth drinking experience.
The above content is compiled by CoffeeHunters, a coffee news website.
