Going against the norm of nonsensical notices, this English sign is grammatically correct.
But on the other hand, it has to be said that the language is rather unusual in the promotion of a sweet foodstuff.
Mildly amusing English usage #7
Photographs from a small group of islands
D. says
But they left out the circomflexe on crêpe! Unforgivable. Have you eaten these things? Are they good?
Lee says
They are ok, with loads of different fillings. Something for everyone really, providing you have a sweet tooth.