Pull a shot of espresso and watch the top. A golden-brown layer forms in seconds. That layer is the espresso crema, and it is one of the most misunderstood things in coffee.
Many people judge a shot by its crema alone. Thick and tan means good. Thin and pale means bad. The truth is more interesting. Here are five common myths, and what actually happens in the cup.
Myth 1: More Espresso Crema Means Better Taste
Crema is a foam. It is made of tiny gas bubbles, mostly carbon dioxide, wrapped in coffee oils. It looks great. But looks and flavor are not the same thing.
Crema has a slightly bitter taste for many drinkers. A shot can have a thick layer and still taste harsh or flat. Taste is the real test. Sip the shot, then decide.
Myth 2: Thick Crema Always Means Fresh Coffee
Fresh roasted beans do hold more carbon dioxide. That gas helps build crema. So old beans often give a thin, pale layer. This part is true.
But the link is not perfect. Very fresh beans can give a foamy, uneven layer that fades fast. Dark roasts and robusta beans can also make a thick crema. Robusta is a hardy coffee species with more of the compounds that help foam last. We cover the gas side in our guide to coffee degassing myths.
Myth 3: The Machine Makes the Crema Alone
Pressure matters. A good machine pushes hot water through the coffee at about nine bars. That force helps the gas and oils mix into foam.
Yet the coffee has to do its part. Some home machines use a special pressurized basket. This basket forces a thick foam out of almost any beans, even stale ones. The result looks like crema, but it is more of a trick than a sign of quality.
Myth 4: Crema Has Always Been Part of Espresso
Early espresso did not have it. Machines in the early 1900s used steam, which gave a thinner drink. The golden layer arrived after the lever machine of Achille Gaggia in the 1940s. Customers loved it, and the look of espresso changed for good.
You can follow the full story in our history of espresso, or in this overview of espresso on Wikipedia.
Myth 5: You Should Always Stir or Skim the Crema
Some baristas stir it in. Others skim it off. Both camps have fans. There is no single rule.
Stirring mixes the oils and the liquid, which can make the first sip more even. Skimming can soften bitterness. Try both with the same shot and see what you prefer. Our post on espresso myths covers more of these small debates.
What to Look for Instead of Crema
Use crema as one clue, not the final answer. Look at the color first. A tight, even, hazel-brown layer is a good sign. Then check the time. Most shots run for 25 to 30 seconds. Last, trust your tongue. Sweet, balanced and clean is the goal.
That is the idea behind IndieRoastersItaly. We want to connect you with small Italian roasters who choose their beans with care. Visit IndieRoastersItaly to join the waitlist.
This article was written with the support of artificial intelligence for content structuring, and was fully reviewed, verified, and refined by the author.
