Casting Spell Like Abilites using spell slots?

[Deliverance]

Are there any feats or class abilities that allow you to cast a spell like ability using your spell slots?

[Are]

I can't remember having seen any options to do that, in PF or in 3.5. Why?

[Deliverance]

Trying to find a way to cast Produce Flames as a Sorcerer.