Longer storage will result in diminished flavor. Frozen lamb should be thawed in the refrigerator overnight, leaving it in the freezer wrap on a plate to catch exuded juices. For faster thawing, use a microwave oven following the oven manufacturer s directions. Do not thaw frozen lamb at room temperature. How to avoid warmed-over flavor in leftovers .
Fat oxidation results in the development of unsavory warmed-over flavor.
To minimize this unwelcome taste, Harold McGee, distinguished food science writer suggests avoiding the use of iron or aluminum utensils and putting off salting until food reaches the table. He also suggests using an oxygen-impermeable film to cover the meat and try to eliminate air pockets in the package. Leftovers should be eaten as soon as possible. It s low in fat, and is sold in chunks or grated. Sheep by-products are used in places most American consumers wouldn t think to look.