Macaroni penguin arrival after the male until late in the incubation period. Both adults lose 36–40% of their body weight during this period. The second egg hatches around 34 days after it is laid. Macaroni penguins typically leave their breeding colony by April or May to disperse into the ocean. From the moment the egg is hatched, the male macaroni penguin cares for the newly hatched chick. For about 23 to 25 days, the male protects its offspring and helps to keep it warm, since only a few of its feathers have grown in by this time. The female brings food to
Macaroni and cheese has remained popular in the United States. A recipe called "macaroni and cheese" appeared in the 1824 cookbook "The Virginia Housewife" written by Mary Randolph. Randolph's recipe had three ingredients: macaroni, cheese, and butter, layered together and baked in a hot oven. The cookbook was the most influential cookbook of the 19th century, according to culinary historian Karen Hess. Similar recipes for macaroni and cheese occur in the 1852 "Hand-book of Useful Arts", and the 1861 "Godey's Lady's Book". By the mid-1880s, cookbooks as far west as Kansas and Festus, Missouri, included recipes for macaroni and cheese casseroles. Factory production