What is the collective noun for sweets in a jar?

There isn't a widely accepted, specific collective noun for sweets in a jar. Here are some options, depending on the context:

Informal:

* A jar of sweets (straightforward and simple)

* A trove of treats (implies a large and varied collection)

* A bounty of goodies (suggests a plentiful and tempting selection)

* A pot of sweets (if the jar is specifically a pot)

More playful:

* A symphony of flavors (emphasizing the variety of tastes)

* A rainbow of candies (if the sweets are colorful)

* A hoard of happiness (for a particularly large collection)

Ultimately, the best collective noun depends on the specific situation and the tone you want to convey.