Coffee Discovery

Roasting: Where Coffee’s Flavor Comes to Life

If you’ve ever wondered why two coffees made from the same beans can taste completely different, roasting is the reason.
Coffee Discovery
Person loading coffee beans into a coffee roaster.

From Green Bean to Flavor

Every coffee bean starts green, with lots of hidden potential. Roasting is the moment that brings that potential to life. Through carefully controlled heat and time, that bean is transformed into the aromatic, caramel‑brown coffee bean we know and love. As it roasts, you’ll notice:

  • Color: pale green → yellow → light brown → deep chestnut → almost black
  • Sound: distinct “pops” as beans expand (roasters call these cracks)
  • Aroma: from warm, bready notes to caramel, chocolatey, or smoky scents
  • Texture: in the later roast stages, beans swell and smooth out, their surface shifting from a faint sheen to a glossy one as oils reach the surface

These changes are intentional, with each step shaping what you’ll later taste in the cup.

Hand holding unroasted coffee beans with more unroasted coffee beans in the background.Hand holding unroasted coffee beans with more unroasted coffee beans in the background.
Silver scoop partially buried in roasted coffee beans.Silver scoop partially buried in roasted coffee beans

Why Roast Matters

Roast level is one of the easiest ways to predict taste and Starbucks coffees fall into three roast categories:

  • Starbucks Blonde Roast: Lighter body and mellow flavors.
  • Medium Roast: Balanced, with smooth and rich flavors.
  • Dark Roast: Fuller body and robust, bold flavors.

As beans roast longer, acidity softens, sweetness deepens, and body becomes fuller. At the darkest points, origin flavors give way to bold roast character, often with a smoky finish.

Lighter roasts are lighter in color and matte. Darker roasts are deeper in color and can look shiny from natural oils.

Inside the Roaster: The Stages You Might Hear or See

As coffee heats, it moves through predictable stages:

  1. Drying (Yellowing): Beans lose moisture, turn yellow, and smell like warm hay or toast.
  2. First Crack (Light Brown): A clear popping sound as beans expand. Toasted, nutty notes begin to appear.
  3. Light–Medium Development (often called “City Roast” by roasters): Aromas deepen; acidity, body, and sweetness start to balance.
  4. Second Crack (Darker): A subtler, snappier crack signals deeper development; bean surfaces begin to shine.
  5. Dark Roast (Oils Visible): Acidity mellows; bold, dark roast sweetness and roasty notes take the lead.
  6. Right after roasting, beans are quickly cooled and checked for color and consistency so each batch tastes the way it should.
Coffee beans being roasted.Coffee beans being roasted.

How Starbucks Roasts: Craft, Consistency, Quality

Starbucks roasting is built on decades of craft, with master roasters who train for years and use sight, sound, smell, and temperature to guide each batch. Our coffee quality team cups (tastes) coffees throughout the process to confirm flavor quality, while a roast analyzer verifies color and consistency, batch after batch. Finally, FlavorLock™ packaging allows natural CO₂ to escape while keeping oxygen out, helping protect freshness and flavor.

What this means for you: your favorite coffee tastes reliable and fresh, whether it’s your first bag or your fiftieth.

Person pouring hot water into small cups and coffee beans in the front.Person pouring hot water into small cups and coffee beans in the front.
Close-up of coffee poured into glasses.Close-up of coffee poured into glasses.

Spotlight: Starbucks 1971 Roast™

Introducing Starbucks 1971 Roast™, our boldest new coffee in more than a decade. Crafted over eight months and 40+ iterations, this coffee revives a deeper, unapologetically dark expression inspired by our earliest roasting traditions. It’s perfect for coffee drinkers seeking a dark roast with bold character and a smooth, velvety finish.

What it tastes like:

  • Flavor notes: toasted sugar, rich walnut
  • Mouthfeel: rounded body, low acidity
  • Finish: bold yet unexpectedly smooth

How it’s crafted:

Our roasters revived and requalified a deeper roast curve to achieve an exceptionally dark color while avoiding harsh, ashy notes. They blended coffees from Colombia, Brazil, and Sumatra, roasted together (not separately) to combine Latin American balance with Indonesian depth, and what our roasters call “the best of both worlds.”

Great across brew methods: hot coffee, iced coffee, cold brew, and espresso.

Taste it side by side: Brew Starbucks 1971 Roast™ next to Pike Place Roast to notice how a deeper roast brings more body and a smoother, bolder finish, while Pike Place Roast stays balanced and medium roasted.

Starbucks 1971 Roast coffee bag on a green background

Starbucks 1971 Roast

Starbucks 1971 Roast

Dark RoastWhole Bean

Toasted SugarRich Walnut

$13.95
$13.95

Rich and complex—a new dark roast that celebrates our heritage.

Shop this Coffee

Bringing It All Together

Roasting is where a coffee’s hidden character comes alive. Through precise control of time, temperature, and technique, Starbucks master roasters transform green Arabica beans into a spectrum of flavors, from bright and lively to bold and roasty. Coffees like Starbucks 1971 Roast™ make these differences easy to taste, helping you choose a roast you’ll love with confidence.

You might also like...

Back to blog