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A cover for a cooking implement, such as a grill, and a method of using such a cover in order to assist in the cooking of food with steam. The cover comprises a raised portion and a reservoir adjacent the raised portion. The reservoir has first and second walls and a bottom therebetween so as to be

A cover for a cooking implement, such as a grill, and a method of using such a cover in order to assist in the cooking of food with steam. The cover comprises a raised portion and a reservoir adjacent the raised portion. The reservoir has first and second walls and a bottom therebetween so as to be capable of containing a liquid. The reservoir further has at least one drain hole located below an upper fill level of the reservoir, and the raised portion has at least one vent hole located above the upper fill level. The drain and vent holes are relatively sized so that a liquid contained within the reservoir flows through and exits the drain hole in the form of droplets, which vaporize substantially immediately once outside the drain hole.

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1. A grill cover comprising:a raised portion; a reservoir adjacent the raised portion, the reservoir having first and second walls, at least one of the first and second walls being configured to establish an upper fill level for a liquid contained in the reservoir; at least one drain hole located in

1. A grill cover comprising:a raised portion; a reservoir adjacent the raised portion, the reservoir having first and second walls, at least one of the first and second walls being configured to establish an upper fill level for a liquid contained in the reservoir; at least one drain hole located in the reservoir below the upper fill level thereof; and at least one vent hole located in the raised portion above the upper fill level; wherein the drain and vent holes are relatively sized so that a liquid contained within the reservoir flows from the reservoir through the drain hole and exits the drain hole in the form of droplets, and the drain and vent holes are relatively sized so that the flow of the liquid is metered at a rate that allows the droplets to be of a sufficiently small size so as to vaporize substantially immediately once outside the drain hole. 2. The cover according to claim 1, wherein the reservoir is annular-shaped and the raised portion is surrounded by the reservoir.3. The cover according to claim 1, wherein the drain hole is located in one of the first and second walls of the reservoir.4. The cover according to claim 1, wherein the vent hole is located adjacent the first wall of the reservoir.5. The cover according to claim 1, wherein the vent hole is not located at an apex of the raised portion.6. The cover according to claim 1, wherein the cover comprises a single vent hole and multiple drain holes, the drain holes are located in one of the first and second walls of the reservoir, and the vent hole is located adjacent the first wall of the reservoir.7. The cover according to claim 1, further comprising a grill with which the cover is adapted to form an enclosed cooking chamber.8. The cover according to claim 1, wherein the drain hole has a sufficiently small diameter such that, in the absence of the vent hole, water will not flow therethrough.9. A grill cover comprising:a raised central portion; an annular-shaped reservoir surrounding the raised central portion and near a perimeter of the cover, the reservoir having a radially inward arcuate wall, a radially outward arcuate wall, and a bottom therebetween so as to be capable of containing a liquid, the outward arcuate wall terminating in a lip that is at a lower elevation than the raised central portion such that the lip establishes an upper fill level of the reservoir; at least one drain hole located in the inward arcuate wall of the reservoir between the bottom of the reservoir and the upper fill level of the reservoir; and at least one vent hole located in the raised central portion adjacent the inward arcuate wall of the reservoir and above the upper fill level; wherein the drain hole is sized such that water will not flow therethrough in the absence of the vent hole, the drain and vent holes are relatively sized so that a liquid contained within the reservoir flows from the reservoir through the drain hole and exits the drain hole in the form of droplets, and the drain and vent holes are relatively sized so that the flow of the liquid is metered at a rate that allows the droplets to be of a sufficiently small size so as to vaporize substantially immediately once outside the drain hole. 10. The cover according to claim 9, wherein the vent hole is not located at an apex of the raised portion.11. The cover according to claim 10, wherein the cover comprises a single vent hole and multiple drain holes.12. The cover according to claim 9, further comprising a grill with which the cover is adapted to form an enclosed cooking chamber.13. The cover according to claim 9, wherein the drain hole has a diameter of about one millimeter.14. A method of introducing a liquid into a cooking chamber defined between a cover and a cooking container, the cover comprising a raised portion and a reservoir capable of containing a liquid, the reservoir being configured to have a maximum fill level and at least one drain hole located below the maximum fill level, the raised portion having at least one vent hole located above the maximum fill level, the method comprising the steps of:heating the cooking chamber; placing a liquid in the reservoir, the drain and vent holes being relatively sized so that the liquid flows from the reservoir through the drain hole and enters the cooking chamber in the form of droplets that vaporize substantially immediately so that the liquid is introduced into the cooking chamber as steam; and venting steam from the cooking chamber through the vent hole. 15. The method according to claim 14, wherein the cooking container is a grill and the cover is a grill cover.16. The method according to claim 14, wherein the drain hole has a sufficiently small diameter such that water does not flow therethrough in the absence of heat escaping the cooking chamber through the vent hole.17. The method according to claim 14, further comprising the step of forming the cover so that the reservoir is annular-shaped and the raised portion is surrounded by the reservoir.18. The method according to claim 14, further comprising the step of forming the cover so that the reservoir has first and second walls and a bottom therebetween, the second wall terminates in a lip that is at a lower elevation than the raised portion and establishes the maximum fill level of the reservoir, and the drain hole is located in one of the first and second walls of the reservoir.19. The method according to claim 18, further comprising the step of forming the vent hole adjacent the first wall of the reservoir.20. The method according to claim 19, further comprising the step of forming the cover to have a single vent hole and multiple drain holes, the drain holes being formed in the first wall of the reservoir.