Overview
The Eureka ORO Mignon Single Dose is Eureka dedicated answer to the single-dosing trend, featuring a purpose-built hopper with bellows and an anti-retention chute designed from the ground up for minimal waste. The 55mm flat burrs deliver the clean, sweet flavor profile the Mignon line is celebrated for, now with retention figures around 0.3 grams. The Micrometric stepless adjustment provides exceptional dial-in precision, and the quiet ACE system motor keeps noise levels neighbor-friendly. The ORO designation signals Eureka premium tier, with gold-accented design elements and premium finish options. For home baristas committed to single-dosing who want Italian quality and the proven Mignon platform, the ORO Single Dose is a compelling dedicated option.
The Eureka ORO Mignon Single Dose features a 55mm flat burr set, crafted from steel. The burrs spin at 1350 RPM, offering fast grinding for high-volume use. Grind retention is approximately 0.3g — virtually zero retention, making it excellent for single dosing.
At $500, the Eureka ORO Mignon Single Dose is aimed at serious home baristas who understand the importance of grind quality. Key workflow features include single-dose design (no hopper needed) and stepless grind adjustment for infinite precision. The flat burr design produces a more uniform particle distribution, prized for clarity and sweetness in the cup.
The Eureka ORO Mignon Single Dose is weighing 5.8 kg, manufactured in Italy, powered by a 310W motor. Its footprint measures 120 x 180 x 350 mm (W×D×H).
Pros & Cons
Pros
- Capable 55mm burr set provides good grind quality for espresso
- Designed for single dosing — weigh your beans in, get precisely that amount out with minimal waste
- Stepless grind adjustment allows infinite precision for dialing in any coffee to perfection
- Near-zero retention (0.3g) means almost no stale grounds contaminating your next shot
- Flat burr geometry produces highly uniform particle distribution, prized for clarity and sweetness in espresso
Cons
- Electric grinders can be noisy during morning use — check noise levels if this matters to you
Full Specifications
| Brand | Eureka |
|---|---|
| Model | Eureka ORO Mignon Single Dose |
| Category | Flat Burr |
| Country of Origin | Italy |
| Year Introduced | 2022 |
| Burr Size | 55 mm |
| Burr Material | Steel |
| Burr Type | 55mm flat |
| Grind Speed | 1350 RPM |
| Retention | 0.3 g |
| Single Dose | Yes |
| Stepless Adjustment | Yes |
| Hopper Capacity | 50 g |
| Motor Wattage | 310 W |
| Dimensions (W x D x H) | 120 x 180 x 350 mm |
| Weight | 5.8 kg (12.8 lbs) |
| MSRP | $500 |
Our Verdict
The Eureka ORO Mignon Single Dose uses flat burrs, which are the preferred geometry for espresso among competition baristas and specialty coffee professionals. Flat burrs produce a more unimodal (uniform) particle distribution, which translates to cleaner, sweeter espresso with more clarity than conical alternatives. The mid-range price buys you a grinder that should be the last one most home baristas ever need. Pair it with a machine that does justice to the grind quality, and you'll taste the difference in every shot.
Frequently Asked Questions
Can the Eureka ORO Mignon Single Dose grind fine enough for espresso?
Yes, the Eureka ORO Mignon Single Dose is capable of grinding fine enough for espresso. Its stepless adjustment allows you to dial in precisely for any coffee.
Is the Eureka ORO Mignon Single Dose good for single dosing?
Yes, the Eureka ORO Mignon Single Dose is designed for single dosing. With only 0.3g of retention, virtually all the coffee you put in comes out ground. Weigh your beans before grinding for the most consistent results.
Why choose flat burrs in the Eureka ORO Mignon Single Dose?
Flat burrs produce a more uniform (unimodal) particle distribution compared to conical burrs. This translates to cleaner, more transparent espresso flavors with pronounced sweetness and clarity. Many competition baristas and specialty roasters prefer flat burr grinders for this reason.
How do I maintain the Eureka ORO Mignon Single Dose?
Clean out retained grounds after each use with a brush or bellows. Deep clean the burrs every 2-4 weeks by removing them and brushing away oil buildup. For the motor, occasional use of grinder cleaning tablets (like Grindz) helps remove coffee oil buildup. Never wash burrs with water.
Is the Eureka ORO Mignon Single Dose worth $500?
The grinder is the most important variable in espresso quality — more important than the machine. Investing in a quality grinder like the Eureka ORO Mignon Single Dose will have a bigger impact on your espresso than upgrading any other piece of equipment. If you're serious about espresso, this level of grinder investment is justified.