Introduction:Did you know that besides frothing milk, the steam wand of an espresso machine can also be used to make a uniquely flavored egg custard? This creative dish originated in Colombia in the 1950s, and now you can easily recreate it using a home espresso machine. This article will provide a detailed tutorial on two methods for making coffee-flavored egg custards, covering everything from ingredient ratios and step-by-step instructions to cleaning tips, helping you make a smooth, caramel-coffee scented dessert at home.
The functionality of an espresso machine isn’t limited to brewing a rich cup of coffee; it can actually double as a handy kitchen assistant to create a distinctive egg-based dessert. As early as the 1950s, some cafes in Colombia began using the steam wand of their espresso machines to prepare a dish called “Huevos Al Vapor” (steamed eggs), which later became a popular sweet treat in those establishments. Nowadays, with just a home espresso machine and simple ingredients, you too can recreate this uniquely flavored egg custard at home.
The ingredients needed for this dessert are very simple, mainly consisting of eggs, milk, butter, and sugar—you can even add a bit of lemon juice if desired to eliminate the eggy taste. For preparation, crack one raw egg (about 55g) into the pitcher, then add 8g of white sugar, about 4g of butter, and 50g of milk. If needed, you can also add a few drops of lemon juice for flavor. These ingredients do not need to be pre-mixed; simply place them directly under the steam wand. The steam will whisk the mixture, allowing the egg to heat evenly and gradually set.
When using the steam wand, be especially careful to avoid drawing in air. It’s recommended to create a whirlpool in the pitcher to ensure the egg mixture is evenly dispersed and mixed. Continue heating until the egg mixture transitions from a liquid to a semi-solid state. When you hear a “popping” sound from within the pitcher, it means it’s almost done—then you can turn off the steam. Quickly invert the set egg mixture onto a plate, and your basic steamed egg custard is complete.
If you want to add a coffee aroma to this dessert, start by brewing 36g of a double shot espresso using 20g of coffee grounds. Take a single shot of espresso and add it to the pitcher along with one raw egg, 10g of white sugar, 4g of butter, and 50g of milk. If you prefer it sweeter, you can also add a suitable amount of condensed milk. Similarly, place the mixture under the steam wand to whisk and heat until it reaches a semi-solid consistency. This time, don’t pour it out immediately—let it sit for about 2 minutes to allow residual heat to further set it, and skim off any excess foam on the surface to achieve a smoother, more appealing finish.
Once the heating is complete, invert the custard from the pitcher onto a plate. At this point, not only will the shape hold well, but the surface foam will also be significantly reduced. Thanks to the addition of espresso, the overall flavor will carry notes of caramel and coffee, with a moderate level of sweetness—so even after enjoying a full serving, it won’t feel overly sugary. This coffee-infused egg custard is not only velvety in texture, but also brings a delightful twist to your everyday desserts.
Besides the method of mixing and whisking the coffee directly into the egg mixture, you can also choose to first prepare a plain egg custard and, once it has set, drizzle freshly brewed espresso on top. This approach preserves the smooth texture of the egg custard while allowing the coffee aroma to seep into the dessert. However, compared to the mixed version, the coffee flavor will be stronger and the bitterness slightly more pronounced.
While enjoying this creative dessert, don’t forget to pay attention to cleaning and maintenance. The used steam wand can easily accumulate semi-solidified egg residue—be sure to promptly wipe it repeatedly with a clean, damp cloth to ensure the steam holes don’t get clogged, as dried egg residue can be difficult to remove. In addition, the pitcher used for raw eggs will also retain a noticeable eggy smell, so it’s recommended to rinse it multiple times, or soak it in a specialized espresso machine cleaning powder if necessary, to thoroughly eliminate any lingering odors.
If you don’t have access to espresso, you can also use coffee brewed with a moka pot, or soluble coffee products such as instant coffee powder or freeze-dried coffee powder, all of which can also add a coffee flavor to the egg custard. These alternatives are not only convenient, but also allow you to adjust the concentration to your liking, adding a personal touch to this dessert.
In summary, using the steam wand of an espresso machine to make egg custard is both a fun and practical kitchen hack. Not only does it help you explore the multifunctionality of your espresso machine, but it also brings a fresh twist to everyday sweets. As long as you master the right ingredient ratios and steps, and pay attention to cleaning details, you too can easily create this smooth, uniquely flavored coffee egg custard.
The above content is compiled by CoffeeHunters, a coffee news website.
