How to Brew Sweet-Tasting Pour-Over Coffee: Adjusting Coffee Grind Size and Water Temperature

Just kidding!!!

Jokes aside — when friends ask a question, it deserves a serious answer.

FrontStreet Coffee has long noticed one curious thing: whether in roasting or brewing, the conversation is always about making coffee sweeter — never about making it more sour or more bitter. Two reasonable explanations: 1) everyone loves sweetness; 2) pulling sweetness out of coffee is genuinely no small feat.

How to Brew Sweet Coffee

First things first: the beans you brew must actually contain sweet compounds. "Sweet brewing" simply means extracting as many sweet and aromatic compounds as possible while holding back the bitter ones — that's how coffee becomes "sweeter" in the cup.

Which leads to an honest caveat: technique can indeed make coffee sweeter, but it isn't all-powerful. It must be adapted to the beans.

FrontStreet Coffee sorts beans into two broad camps — medium-light roast and medium-dark roast — and takes their sweetness strategies one at a time.

Brewing Strategies for Medium-Light Roast Coffee Beans

Medium-light roasts typically show fruit-like acidity. As a rule, as long as you avoid pulling the bitter compounds from the late stage, the cup won't be bad at all — which is why there are so many "safe" approaches: use lower-extraction methods to sidestep the easily released bitterness, and you'll struggle to produce flawed flavors while preserving the fruit-toned core.

But maximizing sweetness means accepting the risk of over-extraction. Everyone knows the sour-sweet-bitter model of extraction, at least roughly.

By that ideal model, sweetness comes from releasing the high-sweetness compounds of the middle stage.

If your current medium-light brews taste under-sweet, try FrontStreet Coffee's suggestions:

1. Raise the water temperature by 2 degrees Celsius. Temperature directly drives extraction efficiency — hotter water extracts faster per unit time. Simply put: if the coffee reads too sour, nudge the temperature up next brew.

2. Sieve out the coarse particles. We used to obsess over fines, but if your coffee tastes too sour, the fines are definitely not the problem. FrontStreet Coffee's standard for pour-over grind is 80% through a 0.85mm sieve — anything larger than 0.85mm counts as coarse.

Coarse particles release their compounds more slowly, so removing them helps the sweetness come forward.

3. Manage risk with technique: pick one of the two adjustments above, then pay closer attention to your flow control and circles while pouring. Split the pour into three stages (bloom included): for 15g of coffee, use 25ml / 125ml / 90ml.

Brewing Strategies for Medium-Dark Roast Coffee Beans

Medium-dark roasts lean on nut and dark-chocolate bitterness, with caramel, maple, and fructose sweetness on top. Brewed poorly, they're pure bitterness until your throat burns, with an aftertaste that never leaves.

Hence the rite of passage: brewing a dark roast that tastes "sweet."

FrontStreet Coffee's advice: high concentration, low extraction — cut the bitterness without sacrificing mouthfeel.

Choose a slower-flow dripper — we use the Kono. Grind to 68% through a 0.85mm sieve, ratio 1:13, water at 88 degrees Celsius.

The method is simple and built around "gentleness." Pour 30ml of water for a 30-second bloom, then continue gently to 195ml with small, soft circles to lift the coffee bed — then let immersion do the rest. With correct parameters, the result is remarkably sweet.

FrontStreet Coffee Recommendation

These two strategies need the right beans to shine. On the medium-light side, FrontStreet Coffee's Yirgacheffe Guodingding is the perfect candidate: a washed, G1 heirloom lot from Ethiopia's Gedeb cooperative (1900-2300m) whose citrus, berry, and jasmine character turns noticeably sweeter with a 2-degree temperature bump and a sieved grind — its green-tea finish is the reward. For bigger fruit, the FrontStreet Natural Huakui from Guji, Ethiopia (Sidama region, 2250-2350m) brings strawberry, passion fruit, and honey sweetness that responds beautifully to the three-stage 25ml/125ml/90ml pour.

On the medium-dark side, the FrontStreet PWN Golden Mandheling and the FrontStreet Brazil Queen Estate Yellow Bourbon are made for the Kono treatment: the Mandheling layers herbal spice, dark chocolate, and toasted bread over a thick body, while the Queen Estate adds cocoa, peanut, and clear caramel sweetness at 88°C and 1:13 — proof that dark roast, brewed gently, can taste as sweet as anything light.