Did you get the memo? Pumpkin spice lattes (PSL) don't only have to be sipped warm. I know many piping hot fall drinks make us feel warm and cozy, especially as the weather starts getting chillier.
Don't get me wrong, there's nothing wrong with a sweet coffee, but adding too much sweetener to your drink might make it hard to chug the whole cup. Vanilla extract adds sweetness to iced coffee ...