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An Easy Serving Espresso Pod, or E.S.E. pod, is a small packed coffee disk (Coffee pod) with a paper filter covering.

Each pod contains seven grams of coffee compressed into a food safe filter package. A double serving contains 14 grams of coffee. Pods are typically 44-45mm size for E.S.E. certified machines, in the past many USA home single-serve brewers use 55mm pods and could not use E.S.E. pods. Today there are many Espresso machines compatible for use of 45 mm diameter E.S.E Espresso standard Pod even in US and Canada. This compressed 7g ground coffee pod is producing an excellent quality of the espresso in many flavors.

The pod is placed within a pod adapter in a normal espresso machine or inside the brewing chamber of a pod brewer. The original patent for filter pod technology was registered by K. Cyrus Melikian of Automatic Brewers And Coffee Devices, Inc.(ABCD) in Pennsylvania, USA, in 1959. Eventually licenses for pod technology were granted to an Italian firm and other developers, who created specific standards for proprietary technologies.

The original use of pod machines in Italy was to relieve designated office personnel from the tedium of continuous espresso brewing for office staff. In later years pod brewers were developed for the home market, and for restaurants and other food service businesses where espresso was not a specialty. The use of a pod brewer eliminated most of the training required to operate conventional espresso machines.

The E.S.E. design was created by illy in 1989 as a marketing effort to sell convenience in home espresso preparation[1]. The Easy Serving Espresso system is a brand protected by the Italian ESE Consortium for Development[2], and is standardized within the industry to assist manufacturers with a quality standard and widen accessibility to the market. Many espresso machines support both pods and ground coffee, including brands other than illy. The E.S.E. specification was intended to be an open design to encourage wide adoption.

Advantages of pods include convenience and speed of preparation and easy cleaning, consistency of taste, and less waste of coffee grounds. Disadvantages include higher cost per serving and limited selection of suppliers, as well as some paper waste when the pods are discarded, and mylar film waste from the pouches in which the pods are packed. However, pod manufacturers use only 0.2 grams of paper fiber in a typical 45 mm pod, and this fiber is easily degradable, so the main waste is the pouch packaging film.