Some old ones but might be of use to someone...
Lisa (lwtblb): A small box of mini smarties (14.5 g), is 3.5 syns.
Nataleee: Ben & Jerry’s Phish Food is 14 syns per 100 mL (ouch, but oh so yummy!).
Hanloje: Walkers Sunbites (all varieties) – 6 syns (25 g, from a multipack), 6.5 syns (individually sold 28 g bag).