Introduction:Incorporating osmanthus into coffee not only adds a unique floral aroma but also extends the autumnal ambiance. This article provides a detailed account of practical tests pairing osmanthus with various brewing methods such as espresso, latte, Dirty, and pour over, including the impact of puck placement on flavor, sugar syrup enhancement techniques, the refreshing performance of iced drinks, and pour over parameter suggestions. It offers useful parameters and step-by-step analysis, making it a great reference for home brewers who enjoy experimenting with creative coffee.

The combination of osmanthus and coffee is not just a collision of flavors but also an extension of seasonal essence. A coffee shop, shortly after opening, was inspired by a box of osmanthus cake to revisit the idea of osmanthus coffee. They then embarked on a series of experiments, incorporating dried osmanthus into various brewing styles such as espresso, latte, iced Americano, Dirty, and pour over. They observed how different methods of adding osmanthus affected extraction and recorded specific parameters and actual taste profiles for each drink, providing a comprehensive hands-on guide for readers who love creative coffee.

The story begins on the third day of opening. Colleagues shared their local specialties, among which a box of osmanthus cake reminded someone of a previously made osmanthus-flavored coffee. Without much thought, they immediately set out to recreate that memorable flavor!

Why choose osmanthus? This flower, beloved since ancient times, not only emits a delicate and elegant fragrance but is also widely used in Chinese culinary culture—such as in osmanthus cake, osmanthus tea, osmanthus wine, and even osmanthus jelly—all of which are classic treats. Coffee itself also contains aromatic compounds similar to osmanthus, so the two pair not only harmoniously but can even create unexpectedly delightful synergies. (A small reminder: Fresh osmanthus needs to be properly processed before it’s safe to consume. If you don’t want to process it yourself, you can easily obtain dried osmanthus through delivery platforms.)

Osmanthus Espresso: Flavor Differences Based on Puck Placement

So-called osmanthus espresso is simply espresso infused with the aroma of osmanthus. But to fully release the osmanthus fragrance without compromising the rich body of the espresso, some technique is required. Some might directly add osmanthus to brewed coffee, but this not only delays the release of aroma but may also damage the crema and oils, affecting the overall flavor. Therefore, it's better to mix the osmanthus with the coffee grounds in the puck and extract under high pressure.

To find the best method, the experiment placed0.3～0.5g of dried osmanthuseither at the bottom or the top of the portafilter basket, using 20g of Nuanyang blend coffee grounds. The first method involved spreading the osmanthus evenly at the bottom of the basket before tamping the coffee; the second method was to tamp the coffee first, then lightly sprinkle the osmanthus on top and tamp again. Testing showed that both methods extracted stably without noticeable channeling, and extraction time was similar to regular espresso. Tasting revealed that the version with osmanthus at the bottom of the puck had more integrated floral notes. In addition to the original wine-like and fruity acidity, it carried a subtle osmanthus aroma, resulting in a richer overall flavor profile.

Osmanthus Latte: Sugar Syrup Enhances Aroma Expression

If you want to experience the pairing of osmanthus and milk, it’s recommended to add osmanthus syrup, as milk can easily mask delicate floral notes. First, pull a 40ml shot using 20g of coffee grounds, then add 15g of osmanthus syrup, and finally pour in about 200g of milk to make a latte. You can sprinkle a little dried osmanthus on top for visual and aromatic appeal. If you don’t have syrup on hand, you can also present it in a Piccolo style: place osmanthus at the bottom of the basket, pull two 20g shots, and mix one of them in a 1:2 ratio with 60g of steamed milk with a thin layer of foam. The flavor is equally excellent, with the osmanthus aroma standing out even more.

Pure Iced Osmanthus Americano: Refreshing and Not Bitter

Don’t let the leftover espresso from split pours go to waste. Pour it directly over ice in a cup to make a pure iced osmanthus Americano. The cooling effect and gradual dilution from the ice help preserve more of the osmanthus aroma, and the coffee won’t taste overly bitter—instead, it presents a refreshing mouthfeel, making it very suitable for summer drinking.

Osmanthus Dirty: A Double Treat for the Senses

The Dirty is a coffee that offers both visual and flavor complexity, and adding osmanthus takes it to another level. Prepare an attractive glass, spread a mixture of osmanthus syrup and dried osmanthus around the rim, then flip the rim so it catches a ring of osmanthus. Next, pour about 170g of iced milk, and directly extract a shot of osmanthus espresso onto the surface. With one sip, you’ll experience the bold bitterness and aroma of hot coffee, the freshness of osmanthus, and the sweetness and creaminess of iced milk—all in distinct layers, offering a rich flavor and strong visual appeal.

Osmanthus Pour Over: Lighter Beans to Highlight Aroma

If you’d like to enjoy osmanthus coffee via pour over, it’s recommended to choose a lighter-flavored coffee bean, such as Guatemala New Oriental Geisha. The osmanthus aroma is already intense, so no excessive addition is needed.When using 15g of coffee grounds, it’s suggested to add only about 1g of dried osmanthus, spread evenly across the top of the coffee layer.Suggested brewing parameters: a 1:15 coffee-to-water ratio, 91°C water temperature, grind size around EK43s 9.5 (equivalent to 85% extraction through a #20 sieve), using a V60 filter and a three-pour method. Upon tasting, you can perceive bright citrus acidity, rich peach notes, and as it cools, a soft and smooth quality reminiscent of peach oolong—perfect for coffee lovers who enjoy the fusion of fruit and floral aromas.

The above content is compiled by CoffeeHunters, a coffee news website.