It is actually a simile because it is using 'as' to compare something to honey. If it was for example: 'The sorbet was sweet honey melting in my mouth.' That would be a metaphor.
In other words to see whether something is a simile, it needs to use 'like a' or 'as a' to compare something to something else.
Yes, "sweet as honey" is a simile.
simile
simile its a simile when you use "like"
A metaphor
A metaphor, a simile uses the words like or as.
that man
simile
Metaphor...similes use like or as
simile
simile
simile and METAPHOR AND PERSONIFICATION AND CHEESE
simile