1 Beef should be cooked to an internal temperature of 165 degrees, poultry to 180 degrees, pork to 170 degrees, and ground beef to 170 degrees.  Keep foods out of the temperature danger zone â Once items are cooked, it is important to keep them warm or to refrigerate them promptly.
Lettuce (Lactuca sativa) is an annual plant of the daisy family Asteraceae.It is most often grown as a leaf vegetable, but sometimes for its stem and seeds.oday, the majority of lettuce is grown for its leaves, although one type is grown for its stem and one for its seeds, which are made into an oil. Most lettuce is used in salads, either alone or with other greens, vegetables, meats and cheeses.
There are five distinct types of lettuce: leaf (also called loose-leaf lettuce), Cos or romaine, crisphead, butterhead and stem (also called asparagus lettuce). Leaf lettuce, the most widely adapted type, produces crisp leaves loosely arranged on the stalk.Nearly every garden has at least a short row of leaf lettuce, making it the most widely planted salad vegetable. Cos or romaine forms an upright, elongated head and is an excellent addition to salads and sandwiches.t is a head lettuce that is also low in nutritional value and flavor. Because of its superior shipping qualities, iceberg has been most available which accounts for it popularity. The most abundant nutrient in iceberg lettuce is water.