Ethiopia Rumudamo Natural Espresso: Brewing and Tasting Notes

By Code Black Coffee | Published: 2026-11-02

Category: How-to Guides

Dial in Ethiopia Rumudamo Natural Espresso with a simple recipe, plus what to expect in the cup and how to fix common extraction problems.

Quick answer

Start with 18 g in, 36 g out, in 27–30 seconds, using a grind slightly coarser than you would for a washed single origin espresso. Adjust grind first, then dose, and taste for the fruit-forward character that natural Ethiopian coffees are known for.

Why natural Ethiopian espresso needs its own recipe

Natural process coffees like Rumudamo dry with the fruit still on the seed, which can make them taste sweeter and more berry-like than washed coffees. That fruit character also makes them prone to uneven extraction: the outside of the bean can extract faster than the inside, so a recipe that works for a clean washed espresso may pull too fast or taste muddy.

Rumudamo comes from Arbegona Woreda, a high-elevation area where coffee is grown by around 600 producers across surrounding villages. High-grown beans are typically denser, so they can handle a finer grind than you might expect, but the natural process still rewards a slightly more forgiving approach.

When to expect a brighter or boozier shot

If your first shots taste sharply sour or thin, the coffee is likely under-extracted. If they taste bitter or drying, it is over-extracted. Natural espressos can swing between jammy and wine-like depending on how you finish the shot, so treat the recipe as a starting point and let your palate guide the final adjustment.

Because this is a single origin rather than a blend, small changes in dose and grind show up clearly in the cup. That makes it a good coffee for learning to dial in, but a less forgiving choice if you want a recipe that hides mistakes.

Step-by-step brewing method

Set your baseline recipe: Weigh 18 g of whole bean coffee and aim for 36 g of espresso out. Use a scale for both dose and yield; volume estimates from a shot glass are not accurate enough for dialing in. Write down the dose, yield, and time so you can compare shots.
Grind slightly coarser than for a washed espresso: Start one or two steps coarser than your usual single origin espresso setting. Natural coffees can produce more fines, so a coarser grind helps keep the shot from stalling. If the shot runs faster than 20 seconds, grind finer in small increments.
Distribute and tamp evenly: Level the bed before tamping with a flat, firm press. A lopsided puck is a common cause of channeling, which shows up as sour and bitter flavors in the same shot. Check that the tamper sits level; a tilted tamp ruins the puck even with a good grind.
Pull the shot and watch the flow: Start the pump and time the shot. Aim for the first drops around 5–8 seconds and a total brew time of 27–30 seconds. If the flow starts late and drips, the grind is too fine; if it gushes, it is too coarse. Adjust grind in small steps and pull again rather than changing dose and grind at the same time.
Taste and adjust one variable: Stir the shot, let it cool for a minute, and taste. Sour or thin: grind finer or increase yield slightly. Bitter or dry: grind coarser or reduce yield. Change only one thing per shot. Keep notes on grind setting and yield so you can repeat a good shot.
Rest the beans if the shot is too lively: Very fresh natural coffees can produce fast, foamy shots. If your shots are hard to control, let the beans rest a few days after the roast date before adjusting the recipe further. Check the roast date before blaming your technique.

About this coffee

Ethiopia Rumudamo Natural Espresso - Single Origin: Rumudamo is a high-elevation sourcing area in Arbegona Woreda, named after the nearby Rumudamo Kebele and supplied by around 600 producers. High-grown, producer-diverse lots like this often have enough density and sweetness to support a concentrated espresso dose without tasting hollow.
Ethiopia Rumudamo Natural Espresso - Single Origin