Mcdonald's mcnuggets. "Mai Shuai" refers to McDonald's Mai Le Chicken. Mcnugget is a boneless fried chicken block produced by McDonald's and sold all over the world. Mcnuggets are covered with a layer of starch paste, followed by a layer of bread crumbs, and finally a layer of egg milk powder paste. After pre-frying, it is quickly frozen to maintain its freshness and quality.