The term 'Modern Ice Cream Flavor' can be summarized by two crossword solutions: Oreo (4 letters) and Cookiedough (11 letters). Oreo is a popular cookie sandwich made of two chocolate wafers filled with a sweet cream filling. It was first introduced in 1912 and has since become a classic favorite. Cookiedough is a type of ice cream flavor that combines cookie dough pieces with a creamy base. It has become increasingly popular in recent years, and is now a staple in many ice cream shops.