Looking to liven up your Christmas Dinner? A Christmas Cake Pepsi is sure to do it. According to geek.com, “The Christmas Pepsi has a very interesting flavor profile, and one you’re probably not expecting from soda. Christmas Cake, to start with, is a strawberry shortcake… so technically this soda is a strawberry and cream soda, which sounds pretty delicious…” The soda debuted in Japan on November 21st.