Patent ID: 7253382

Claim:
A disposable container for preparing a comestible material in a microwave oven, comprising: a first portion of the container defining a preparation chamber, a second portion of the container expandable to define a storage chamber, at least the portion of the container defining the preparation chamber being transparent to microwave energy, the first portion being extended to define a hollow conduit that connects the preparation chamber to the storage chamber, wherein the improvement comprises: the storage chamber portion of the container and the hollow conduit have a microwave shielding material disposed therearound, wherein the hollow conduit is configured to prevent the entry of substantially all microwave energy into the storage chamber, such that, as a comestible material initially disposed within the preparation chamber is cooked by exposure to microwave energy the comestible material displaces from the preparation chamber into the hollow conduit and then into the storage chamber whereat the comestible material is shielded from further exposure to microwave energy by the microwave shielding material.