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When exactly should you turn off the heat when brewing coffee with a moka pot? Fast flow and whether to tamp the grounds—all explained clearly in one go

November 11, 2015
qj

The Moka pot, as Italy's national-level home coffee brewing device, can extract a rich, espresso-like coffee liquid. However, in practice, many enthusiasts are confused about when to turn off the heat, the speed at which the coffee flows out, and whether tamping is necessary. This article will start with the selection of coffee beans suitable for the Moka pot, explain in detail the determination of coffee dose, water volume control, and grinding degree reference standards, and explain the Moka pot coffee-making process step by step, helping you avoid risks such as explosions and splattering, and easily brew a cup of mellow, aromatic Moka pot coffee.

摩卡壶煮咖啡究竟何时关火?出液快、要不要压粉一次说清

The Moka pot can extract coffee close to espresso flavor. Thanks to its convenient operation, it first became popular in Italian households, then gradually became a national product of Italy, and is now sold all over the world, making it truly Italy's national-level coffee brewing device.

Which coffee beans are suitable for brewing Moka pot coffee

The Moka pot uses pressure extraction, and is good at showcasing coffee's body and intensity. If light-roast coffee is used, this type of bean is usually harder in texture and generally requires a finer grind to increase extraction, but fine grinding in a high-temperature, high-pressure environment can easily make the coffee sour and sharp, and it is also relatively difficult to extract the aroma of the oils. In contrast, medium-dark roasted coffee has been heated longer than light-roast beans, has richer caramelized aromas, and contains more carbon dioxide gas. The coffee liquid extracted with a Moka pot has thicker oils and a fuller taste.

If you want to make coffee with a Moka pot that is as close as possible to espresso, you can buy Front Street Coffee. Front Street Classic Blend. This bean combines the nutty aroma of Brazil, the wild character of Mandheling, and the rich oils of Vietnamese coffee, and uses a medium-dark roast, which can maximize the coffee's mellow aroma and let you easily extract a strong coffee rich in dense oils. Whether made into an Americano diluted with water or a latte paired with milk, it is very suitable.

If you prefer coffee with floral and fruity notes, Front Street Coffee. Huakui SOE is recommended. This is a championship-winning sun-dried bean from Ethiopia, with delicate pink floral notes and flavors of creamy strawberry, guava, and dried mango. Made as Moka pot coffee, it is pleasantly sweet and tart, very suitable for friends who are just starting to drink coffee.

Common questions about the Moka pot

How much coffee powder a Moka pot needs depends on the size of the filter basket. The most direct way to measure is to put the coffee beans directly into the filter basket until it is full and level with the basket, then simply grind the coffee beans in the basket into powder.

Next, when determining the water volume, you can observe the lower chamber. There is a protruding hole, and this hole is called the pressure relief valve. The purpose of this valve is to prevent excessive pressure caused by certain factors (such as coffee powder being too fine) from causing an explosion. If the water goes above this valve, the pressure relief effect may be lost, increasing the risk of an explosion.

摩卡壶煮咖啡究竟何时关火?出液快、要不要压粉一次说清

Next is the coarseness of the coffee powder. The grind size for a Moka pot is not the same as the grind size for an espresso machine. An espresso machine has greater pressure (9 bar), which can overcome the resistance of the coffee puck. The pressure of a Moka pot is not as great. If the grind is too fine, there is a high chance the coffee liquid will not come up, and it will also increase the pressure in the lower chamber. If pressure relief is ineffective, there is a danger of explosion.

So if the water has already boiled but the coffee liquid has not come up for a long time, the heat source should be turned off promptly. Too coarse is also not good, because the resistance is too low, the coffee liquid will gush out, making splattering and burns more likely, and in terms of taste it will be sour and astringent, hard to drink.

Generally, the grind size of coffee powder used in a Moka pot is 0.3-0.5 mm, with the 1.5-3 setting on an EK-43s grinder as a reference standard. The ground coffee powder does not have an obvious sandy texture and is slightly coarser than flour. The grind size is between that for an espresso machine and pour-over coffee.

摩卡壶煮咖啡究竟何时关火?出液快、要不要压粉一次说清

There is no fixed time requirement for brewing coffee with a Moka pot. Usually, brewing coffee with a Moka pot takes 3 to 5 minutes from the start of heating to the end. The specific time depends on the coarseness of the coffee powder and the amount used. The coarser the grind, the faster the coffee liquid comes up, and the shorter the time; the more powder used, the longer the time required.

Steps for making Moka pot coffee

Pour hot water into the lower chamber up to 0.5 cm below the pressure relief valve. Choosing hot water can better shorten the coffee brewing time. Pour the ground coffee powder into the filter basket, tap it left and right to let the coffee powder settle naturally downward, and level the surface of the powder layer. The purpose of doing this is to make the spatial distribution between the coffee particles uniform, and not pressing is to prevent the resistance of the powder layer from becoming too great.

Place the filter basket into the lower chamber, and tighten the upper chamber and lower chamber together. Place it on the electric ceramic stove, turn on the power, and begin heating.

When the Moka pot heats up to a certain temperature, when it makes an obvious "hissing" sound, set the electric ceramic stove to low heat and open the lid of the upper chamber. The coffee liquid and oils begin to flow out.

When the Moka pot heats up to a certain temperature and makes an obvious "hissing" sound, turn off the electric ceramic stove, and at the same time remove the Moka pot and wait for the residual heat inside to push the coffee liquid upward. Finally, pour the Moka pot coffee into a cup, add warm water/ice water/milk, and it is ready to drink.

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

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