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Home Heat Accumulators Microwave-cooking-utensil-employing-two-different-microwave-susceptors

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 Microwave cooking utensil employing two different microwave susceptors

Details
Inventors: Kearns, Joyce M.; Scarpellino, Richard;
Assignee: Kraft General Foods, Inc. (Glenview, IL)
Primary Examiner: Leung; Philip H.
Assistant Examiner:
Attorney, Agent or Firm: Marcoux; Thomas A., Savoie; Thomas R., Grim; Linn I.

The invention relates to a method of cooking or reheating a combustible with microwave energy by utilizing a double-boiler cooking utensil. The double-boiler utensil contains a microwave susceptible liquid within an outer vessel and a cooking oil or fat within an inner vessel with the inner vessel providing conductive heat transfer between the microwave susceptible liquid and the cooking oil or fat. The process involves placing a comestible in the cooking oil or fat within the inner vessel and irradiating the cooking utensil containing the comestible for a period of time effective to cook the comestible. The microwave susceptible liquid when subjected to microwave energy functions to transfer sufficient heat to the cooking oil or fat to maintain a temperature on the surface of the comestible within the range of from 125.degree. C. to 225.degree. C. The improved apparatus also incorporates a solid microwave interactive material in conductive heat transfer contact with the microwave susceptible liquid.

DETAILED DESCRIPTION These and other objects are achieved by means of a microwave susceptible or interactive liquid.
In Particular, by maintaining particular microwave susceptible liquids in contact with a comestible while the comestible is subject to microwave energy, a sufficiently high temperature can be achieved to effect browning, crisping and aroma development.
More particularly, this invention relates to a method of cooking or reheating a comestible with microwave energy which comprises: (a) placing a double-boiler type cooking utensil in a microwave oven, said utensil containing a microwave susceptible liquid in an outer vessel and a cooking oil or fat within an inner vessel wherein the walls of the inner vessel provide conductive heat transfer between the liquid and cooking oil or fat; (b) inserting a comestible which is to be cooked or reheated into the cooking oil or fat within the inner vessel; (c) irradiating the comestible with microwave energy for a period of time which is effective to cook or reheat the comestible, said microwave susceptible liquid being effective to transfer sufficient heat to said cooking oil or fat to maintain a temperature on the surface of the comestible in the range of from 125.
degree.
C.
to 225.
degree.
C.
during irradiation with microwave energy.
The invention also relates to an apparatus comprising: an inner vessel; an outer vessel; means for maintaining a space between the outer surface of the bottom of the inner vessel and the inner surface of the outer vessel; and a quantity of microwave susceptible liquid placed in said outer vessel wherein said inner vessel is in conductive heat transfer contact with the microwave susceptible liquid contained within the outer vessel, said microwave susceptible liquid is an organic liquid which possesses a high dielectric loss factor as well as a boiling point greater than 150.
degree.
C.
An improved apparatus over the above-identified apparatus is also disclosed.
The improved apparatus additionally contains a solid microwave interactive material in conductive heat transfer contact with the microwave susceptible liquid



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