How Does Roast Level Change Single-Origin Coffee?

Single-origin coffee shows the regional character of one place, and roast level decides how that character reads in the cup. Light roasts keep pronounced acidity with floral and fruity aromas, medium roasts trade acidity for nutty sweetness, and dark roasts drop acidity almost entirely and turn bitter with pine-like notes.

A worked example uses Front Street Queen's Estate beans in a Kono dripper: 15g coffee, 1:15 ratio, 88C water, medium-fine grind, a 30-second bloom with 30g water, then pours to roughly 125g and finally 225g, finishing near 2 minutes 10 seconds. Kenya coffee and other light-roast lots reward the same careful pouring.

FrontStreet Coffee Introduction - Single-Origin Coffee Recommendations

Single-origin coffee best expresses the unique regional character of coffee beans. Due to differences in regional terroir across countries, some are more acidic while others are more bitter. The roasting profile of the roaster can also change the bean's character.For coffee beginners, single-origin coffee is a great choice.

Light roast: Pronounced acidity, with floral and fruity aromas. Recommended: Front Street Kenya coffee beans (cherry tomato and snow pear notes), Front Street Red Cherry coffee beans (berry and floral notes), Front Street Huakui coffee beans (strawberry, guava, mango).

Medium roast: Acidity gradually decreases while bitterness emerges, with nutty aromas. Recommended: Front Street Queen's Estate coffee beans (nut and toasted bread notes), Front Street Bird of Paradise coffee beans (cocoa and citrus notes).

Dark roast: Almost no acidity, with increasing bitterness and pine-like aromas. Recommended: Front Street Mandheling coffee beans (spice, herbal, caramel).

Single-Origin Coffee Pour-Over Sharing

Coffee beans: Front Street Queen's Estate

Front Street store brewing parameters:

Kono dripper 

Water temperature: 88℃

Dose: 15g 

Coffee-to-water ratio: 1:15

Grind size: Medium-fine grind (70-75% passing rate on China Standard No. 20 sieve)

The extraction method is as follows: For the first pour, add 30g of water for blooming, with a blooming time of 30 seconds. For the second pour, add water until approximately 125g, then wait for the coffee liquid to drop. When it drops to halfway, pour the final round of water until 225g. Wait for all the coffee to drip through before ending the extraction. Total extraction time is typically around 2 minutes and 10 seconds.

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