Would you drink CHOCOLATE Pepsi? Soda brand releases cocoa-flavored cola with hints of marshmallow and vanilla - but fans will have to act fast to get a can The limited-edition soda has a strong Pepsi flavor, a milk chocolate base, and hints of vanilla and marshmallow Pepsi teased it on Twitter in December after creating some in its test kitchen 2,500 fans who tweet a picture of themselves drinking hot chocolate and tag @Pepsi on National Hot Chocolate Day this Sunday will win a can