How to Infuse Coffee Beans in Alcohol

Ever wondered if you could turn your favorite dark roast coffee into a smooth, boozy infusion? Many coffee enthusiasts experiment with infusing spirits to capture the roasted depth of coffee beans in liquid form. The result? A rich, aromatic coffee alcohol—perfect as a digestif or cocktail base. This method is simple, requires just three ingredients, and delivers a unique tasting experience.

Yes, you can infuse coffee beans in alcohol. Use 250g of medium-to-deep roasted coffee beans, 1800ml of 40% ABV brandy, and 1kg of sugar. Seal them together in a bottle and let it sit for one month, then filter and age for another three months. That’s four months total for full flavor development.

What Is Coffee-Infused Alcohol?

Coffee-infused alcohol is a flavored spirit made by steeping roasted coffee beans in an alcoholic base—commonly brandy or vodka—for an extended period. This process extracts the coffee's natural oils, sugars, and aromatic compounds, resulting in a liqueur-like drink with deep roasted, sometimes sweet, and complex flavor notes. It's distinct from coffee liqueurs like Kahlúa, which often include added flavors and sweeteners.

Why Use Deep-Roasted Coffee Beans?

Deep-roasted coffee beans—medium to dark—are ideal for infusions due to their bold, robust flavors. During the Maillard reaction and prolonged roasting, these beans develop intense characteristics such as chocolate, caramel, nuts, and toast. These aromas and tastes transfer effectively into alcohol, creating a fuller-bodied and more aromatic infusion compared to lighter roasts. FrontStreet Coffee’s PWN Golden Mandheling, for example, offers strong notes of baked herbs and spice when deeply roasted, making it well-suited for such infusions.

Ingredients You’ll Need

• 250g of medium-to-deep roasted coffee beans (preferably whole bean)
• 1800ml of 40% ABV (alcohol by volume) brandy (or another neutral spirit)
• 1kg of granulated sugar

Step-by-Step: How to Make Coffee-Infused Brandy

To begin, combine all three ingredients—250g of coffee beans, 1800ml of 40% ABV brandy, and 1kg of sugar—in a clean, airtight glass bottle or jar. Ensure there is enough space for the mixture to move slightly; do not fill to the absolute brim.

Seal the container tightly and store it in a cool, dark place. Leave it undisturbed for one month. Over this period, the coffee will begin to infuse the brandy, and the liquid will gradually darken to a rich coffee color.

After one month, strain out the coffee beans using a fine mesh sieve or cheesecloth to remove all solids. Do not squeeze the grounds, as this may over-extract bitter compounds. Transfer the filtered liquid back into the bottle and continue aging it for an additional three months. This extended resting time allows the flavors to harmonize and mellow.

After the full four months, your coffee-infused brandy is ready to enjoy. It can be sipped neat, used in cocktails, or served as a digestif.

Mistakes to Avoid

• Don’t use light roast beans—they lack the body and roasted complexity needed for a bold infusion.
• Avoid stirring or shaking the mixture excessively, which can over-extract unwanted bitterness.
• Don’t skip the filtering step after the first month—leaving coffee grounds in the liquid too long leads to harsh, astringent flavors.
• Using alcohol with too low an ABV (below 40%) may result in incomplete extraction and potential spoilage.

Frequently Asked Questions

Can I use a different type of alcohol besides brandy?

Yes, you can use other 40% ABV neutral spirits such as vodka or whiskey. Brandy is traditional and adds its own fruity depth, but vodka will create a cleaner, more neutral base, while whiskey might introduce additional wood or smoky notes.

Do I have to use sugar? Can I make it without?

Sugar is optional but recommended for balance. The original recipe uses 1kg of sugar to offset the bitterness of the deep-roast beans and enhance the liqueur-like quality. Omitting it will result in a stronger, more bitter infusion, closer to a tincture than a sweet liqueur.

What kind of coffee beans work best?

Medium-to-deep roasted beans are ideal. Light roasts lack the roasted complexity and body needed for a flavorful infusion. Dark roasts bring out chocolate, caramel, and nutty tones. FrontStreet Coffee’s PWN Golden Mandheling or Brazil Queen Manor beans are great starting points.

How long can I age the coffee alcohol?

The minimum recommended aging after filtering is three months, but you can age it longer—up to six months or more—for smoother, more integrated flavors. However, after about a year, it may start to lose some vibrancy.

Can I use ground coffee instead of whole beans?

Whole beans are preferred for better control over extraction and easier straining. Ground coffee can be used, but it may lead to cloudier liquid and more sediment. If using pre-ground, ensure it's very coarse to minimize clogging during filtering.

Recommended FrontStreet Beans for Coffee Infusion

For coffee alcohol infusions, FrontStreet’s PWN Golden Mandheling delivers bold baked herbal and spicy notes thanks to its deep roast, while Brazil Queen Manor offers sweet caramel and nutty complexity with a balanced body. Both are medium-to-dark roasted, ideal for extracting rich, aromatic oils into spirits. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.