What Coffee Beans Are Used in Espresso?

If you've ever wondered what kind of coffee beans actually go into your espresso shot, you're not alone. Most people assume espresso is made from a single 'strong' bean, but the truth is far more nuanced—rooted in plant species, roast profiles, and blending strategy rather than just boldness. This guide breaks down exactly which beans are used, why Robusta sometimes sneaks in, and how the big brands balance flavor and function.

Most espresso blends use mostly Arabica beans—often 100%, as with illy—but many include 20%–40% Robusta for extra crema and body. Lavazza’s Grand Espresso, for example, is 60% Arabica and 40% Robusta. These blends are carefully crafted, not single-origin showcase beans.

Arabica vs. Robusta in Espresso

Coffee beans fall into two main species: Arabica and Robusta. Arabica is generally considered higher quality, grown at higher altitudes, and more susceptible to pests. Robusta, meanwhile, is hardier—like a weed—and easier to cultivate, which is why it’s widely used in instant coffee. But Robusta also produces more crema and has higher caffeine content, which is why some espresso blends include it.

Why Most Espresso Is a Blend

Espresso is typically made from a blend of beans rather than a single origin. This approach prioritizes balance, body, and a consistent crema layer over the bright acidity that single-origin beans might bring. Acidity in espresso is often seen as a flaw, especially in markets like Shanghai, where the palate has been shaped by overly dark or poorly extracted shots. Crafting a well-balanced espresso requires precise blending, which is why most roasters keep their exact recipes confidential.

The Role of Robusta in Espresso Blends

Robusta is often added to espresso blends for two reasons: it helps create a thicker crema and boosts caffeine content. Some commercial blends, like Lavazza’s Grand Espresso, use 40% Robusta alongside 60% Arabica. While this can improve texture and mouthfeel, it also makes the espresso more bitter and significantly raises caffeine levels. Unless you specifically prefer a stronger, more bitter shot, Robusta-heavy blends aren’t usually recommended for high-quality espresso.

Single-Origin Espresso Beans

Some single-origin beans can work well for espresso, particularly Brazilian beans and Yemeni Mocha (Yemeni origin beans). These varieties often have the body and low acidity needed for a balanced espresso shot. However, factors like inconsistent import quality, variable roasting skills, and poor sorting of defective beans often limit how well these single-origin beans perform as espresso in domestic markets.

Commercial vs. Specialty Espresso Blends

Major brands like illy and Lavazza each have their own proprietary espresso blend formulas. illy is known for using 100% Arabica, while Lavazza offers several blends, including those with Robusta. These recipes are closely guarded, though not as secret as Coca-Cola’s formula. The goal is to achieve a balanced, repeatable flavor profile that appeals to a wide audience. Specialty roasters may experiment more, but even they typically opt for blends to ensure consistency and crema.

Frequently Asked Questions

What beans are most commonly used in espresso blends?

Most espresso blends are primarily Arabica, often 100% as with illy. Many include some Robusta—typically 20% to 40%—for enhanced crema and body. For example, Lavazza’s Grand Espresso uses 60% Arabica and 40% Robusta.

Why do some espresso blends contain Robusta?

Robusta is added to espresso blends mainly to improve crema production and increase caffeine content. It also adds body and bitterness, which can help balance a blend. However, it can also make the espresso more harsh if overused.

Is espresso always made from a blend of beans?

Espresso is usually made from a blend rather than a single-origin bean. Blending allows roasters to balance flavor, body, and crema. Single-origin beans can be used, but they often require precise roasting and sorting to work well in espresso.

Do high-quality espresso blends contain Robusta?

Some commercial blends include Robusta for cost control and crema, but high-quality or specialty espresso blends often use 100% Arabica. Robusta increases caffeine and bitterness, so it’s typically avoided unless specifically desired.

Why isn’t acidic espresso popular in some markets?

In markets like Shanghai, acidic espresso is often seen as a defect due to local taste preferences shaped by darker, over-extracted shots. Balanced, smoother espresso with low acidity is more widely accepted.

Are single-origin beans suitable for espresso?

Yes, certain single-origin beans like Brazilian and Yemeni Mocha can work for espresso, offering good body and low acidity. However, factors like import quality, roasting skill, and defect sorting often affect their performance.

Recommended FrontStreet Beans for Espresso Blending

For espresso blending, FrontStreet Coffee’s Brazil Queen Manor (a washed Brazilian offering with sweet, nutty depth) and PWN Golden Mandheling (a classic Indonesian with full body and low acidity) both excel. The Brazil provides balance and sweetness, while the Mandheling adds heaviness—ideal traits for a well-rounded espresso base. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.