Which Beans Work Well in a Moka Pot?

A moka pot brewing test found that light-roasted, citrus-toned beans are the weakest match, while medium-light roasted beans with sweet fruit notes work well. Three beans were brewed and compared both straight and as iced americano to judge how each roast level performed under the same stovetop conditions.

The tested beans were Ethiopia Yirgacheffe G1 at a light roast with citrus, floral, and green tea notes, Costa Rica Mozart at medium-light with berries and grapes, and Papua New Guinea Bird of Paradise at medium with caramel and cocoa. Roast level is a key factor in how much acidity survives the brew, which also shapes whether the resulting americano tastes acidic.

Many moka pot enthusiasts often ask: which coffee beans are suitable for brewing with a moka pot? Especially those beans with fruity acidity in their flavor descriptions—do they actually taste good when brewed? Front Street addressed this question by selecting three coffee beans with varying acidity levels for actual testing: Front Street Ethiopia Yirgacheffe G1, Front Street Costa Rica Mozart, and Front Street Papua New Guinea Bird of Paradise. By comparing the flavor performance of the straight brew and iced americano, practical advice for choosing moka pot beans is summarized: light-roasted citrus-toned beans are not suitable, while medium-light roasted sweet fruit-toned beans can bring surprises. This article will detail the brewing parameters, crema state, and tasting results to help you better choose beans for your moka pot.

Many moka pot users often ask Front Street: "Can this bean be used to make moka pot coffee?" "How does that bean taste when brewed in a moka pot?" And most of the ones they pick out to ask about are coffee beans with acidity (fruity notes) in their flavor descriptions. To answer this question, Front Street decided to actually brew all these types of beans and see what kind of results a moka pot can produce.

There are simply too many types of coffee beans with acidity to test them all, so Front Street selected a few representatives with different levels of acidity from the many beans to brew. They are: Front Street Ethiopia Yirgacheffe G1 coffee beans, Front Street Costa Rica Mozart coffee beans, and Front Street Papua New Guinea Bird of Paradise coffee beans.

A key factor affecting coffee bean acidity is the roast level. To make it easier to understand, Front Street here uses light, medium-light, and medium as rough categories (the actual situation is more complex).

Among these three beans, Front Street Yirgacheffe G1 has the lightest roast, presenting a fresh and bright acidity like citrus, floral, and green tea; next is Front Street Mozart coffee beans, with sweet fruity flavors like berries, grapes, and fermentation aroma; the darkest roast is Front Street Bird of Paradise coffee beans, showing caramel, cocoa, apricot, hawthorn, and other subtle fruit acidity notes.

Regarding the steps and parameters for brewing coffee with a moka pot, Front Street has already introduced them in detail in previous articles, so only a brief explanation is given here. The amount of coffee grounds and water in a moka pot depends on the capacity of the pot. Front Street uses a Bialetti classic 3-cup moka pot, with 150 ml of water and 18 g of coffee grounds. The grind size is controlled to a fine powder state (slightly coarser than what is used for espresso machines), which can be referenced as 0.5 on the EK43s.

For filling the grounds, Front Street recommends adding the grounds directly without tamping. Fill the filter basket (make sure to fill the gaps around the edges as well), then let the grounds pile up into a small mound, keeping it fluffy, and then directly screw the top chamber on vertically. After extraction is complete, the puck will also be compact and will not fall apart.

The brewed moka pot coffee is divided into two portions by Front Street: one is tasted directly as the straight brew, and the other is added to ice water to make an iced americano. This is because Front Street has learned that many friends like to treat coffee brewed from a moka pot as "espresso" and drink it as americano after adding water.

First, let's look at the brewing situation of the three groups of coffee. Although Front Street Yirgacheffe is light-roasted, as long as the moka pot parameters are set properly, it can still produce crema, but this layer of crema is relatively thin and dissipates in about 30 seconds.

The crema brewed from Front Street Mozart coffee beans is slightly richer than that of Front Street Yirgacheffe, though the difference between the two is not significant.

The crema brewed from Front Street Bird of Paradise coffee beans is visibly rich.

Next, let's taste the specific performance of these three coffee beans brewed with a moka pot.

Front Street Yirgacheffe Coffee

Straight brew: The acidity is sharp and stimulating, with some astringency, hard to swallow.

Iced americano: A single acidity runs throughout, like drinking a cup of sour water.

Front Street Mozart Coffee

Straight brew: It has a fermented feel, and the acidity is also relatively stimulating, difficult to drink.

Iced americano: After dilution, the taste is much softer, with lively berry acidity and a bit of fermented wine aroma. The aftertaste is similar to the bittersweetness of chocolate.

Front Street Bird of Paradise Coffee

Straight brew: The only straight brew that can be finished entirely in one cup, with a noticeable and thick acidity, and the middle to back section has a bitter note of chocolate caramel. It tastes like a low-concentration version of espresso.

Iced americano: The fruity acidity is very bright, with some caramel flavor, and almost no bitterness can be felt in the whole cup. The acidity is even more prominent than that cup of Front Street Mozart.

Below, Front Street summarizes a few conclusions for everyone's reference.

1. Coffee beans with obvious acidity such as "lemon" and "citrus" in their flavor descriptions are not suitable for making moka pot coffee.

2. Choosing coffee beans with flavor descriptions leaning toward sweet fruits (medium-light roast) for a moka pot will give a different performance. When brewing acidic coffee beans with a moka pot, it is suitable to add some water or ice cubes to dilute it, which will make the flavor perform better.

3. You can choose coffee beans with strong flavor expressiveness for brewing in a moka pot, such as Front Street Mozart coffee beans selected by Front Street, so that the moka pot coffee brewed has relatively strong flavor and aroma and is easy to drink.

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