A brownie is a flat baked dessert square that was developed in the United States at the end of the 19th century and popularized in the U.S. and Canada during the first half of the 20th century._站酷海洛_正版图片_视频_字体_音乐素材交易平台

A brownie is a flat baked dessert square that was developed in the United States at the end of the 19th century and popularized in the U.S. and Canada during the first half of the 20th century.