Cookies are a very popular treat at any party event and as a snack in general. There are now hundreds of different types of cookies that can be served to your guests and at parties. In case you are having difficulty choosing which flavors to serve, here are the five most popular cookie flavors based on our research study: 1. Chocolate Chip - This should be no surprise but chocolate chip tops the list by a landslide. Every cookie maker offers chocolate chip cookies, a delicious combination of batter and chocolate. Chocolate chip cookies were actually invented in the 1900’s by Ruth Wakef...