STARESSO Plus Portable Coffee Maker & 53mm Bottomless Portafilter - Manual Espresso Machine for Home, Travel, Camping, Compatible with Ground Coffee or Nespresso Pods

Product Overview

Portable espresso makers often compromise on pressure, but the STARESSO Plus claims a 15-20 bar extraction from a manual pump. The system uses a patented hydraulic extraction method that the manufacturer says achieves an 18–22% gold extraction rate — the sweet spot for balanced espresso. The body is made from stainless steel and high-grade silicone (baby-bottle safety level), while the pump surface features a nano-ceramic coating that promises three times the durability of standard coatings. The portafilter included is a bottomless version, allowing visual feedback on extraction quality. The entire unit separates into components for thorough cleaning; all parts are hand-wash only. The coffee basket accommodates up to 24 grams of ground coffee, enough for one or two standard shots. When not in use, the machine collapses into a compact folded state that saves space. No electricity or batteries are needed, making it ideal for travel, camping, or any place without power. The base silicone pad provides stability during pressing. The included 53mm bottomless portafilter is a bonus for enthusiasts who want to dial in their shots and see the extraction flow.

Build & Materials

The STARESSO Plus is built with a focus on durability and safety. The main body and internal components are made from food-grade 304 stainless steel, resistant to rust and staining. All silicone parts — like the gaskets and base pad — are phthalate-free and meet baby-bottle safety standards. The pump surface receives an aerospace-grade nano-ceramic coating, which the manufacturer claims increases pump life by three times compared to standard coatings. The bottomless portafilter is also stainless steel, with precision-machined holes for even extraction.

The design emphasizes portability. The brewer can be disassembled into its cup, piston, basket, and portafilter, then folded into a compact shape that fits in a small bag. The separate components also make cleaning straightforward — there are no hard-to-reach crevices. The overall aesthetic is matte black with minimal branding, giving it a modern, tool-like appearance.

Shot Quality

The 15-20 bar pressure from the manual pump is sufficient to produce a proper espresso with crema. Users report that with freshly ground coffee, the extraction yields a thick, golden crema similar to a machine. The bottomless portafilter allows visual inspection of the extraction — a feature appreciated by enthusiasts for diagnosing channeling or uneven flow. The segmented hydraulic extraction helps maintain consistent pressure throughout the shot.

However, consistency depends on user technique. The grind must be fine enough to build pressure but not so fine that it chokes the machine. Water temperature is not controlled, so preheating with hot water is recommended. The included portafilter is 53mm, which is slightly smaller than standard 58mm, so users with 58mm accessories cannot use them. Overall, the shot quality is excellent for a portable manual brewer, rivaling electric machines in crema and flavor when used correctly.