I have gone for the classic dark chocolate here, I really like the slight bitter flavour of the chocolate with the sweet mint of the sweets. (baketheneat.com)
I find pumpkin has a very dominant slightly bitter flavour. (deliciouslyella.com)
Personally, I just enjoy the combination of sweet, tangy, creamy, crunchy and sometimes bitter flavours in a fresh serving of salad! (freshncrunchy.net)